* [https://www.transition-bibliographique.fr/wp-content/uploads/2018/07/B721-6-2011.pdf 721 – Nom de famille – Autre responsabilité principale] , ([https://web.archive.org/web/2oe_/https://www.transition-bibliographique.fr/wp-content/uploads/2018/07/B721-6-2011.pdf архів]) (mise à jour 2011), Bibliographic Transition in France (фр.)* [http://www.lib.bg/prevodi/unimarc/uni7.html#721 721 Име на фамилия - Алтернативна интелектуална отговорност], ([https://web.archive.org/web/2oe_/http://www.lib.bg/prevodi/unimarc/uni7.html#721 архів]), СБИР (болг.)* [http://unimarc-it.wikidot.com/721 721 Nome di famiglia - responsabilità alternativa (Ripetibile)], ([https://web.archive.org/web/2oe_/http://unimarc-it.wikidot.com/721 архів]), Unimarc-IT (італ.)* [http://rusmarc.ru/rusmarc/mf_det71.htm#b721 721 Родовое имя - альтернативная ответственность], ([https://web.archive.org/web/2oe_/http://rusmarc.ru/rusmarc/mf_det71.htm#b721 архів]), RUSMARC (рос.)* [https://www.nlb.by/content/bibliotekaryam/belmarc/belmarcnew/marker-zapisi-i-polya-dannykh-opisanie-poley/7-blok-otvetstvennosti/721-rodovoe-imya-alternativnaya-otvetstvennost/ 721 Родовое имя – альтернативная ответственность], ([https://web.archive.org/web/2oe_/https://www.nlb.by/content/bibliotekaryam/belmarc/belmarcnew/marker-zapisi-i-polya-dannykh-opisanie-poley/7-blok-otvetstvennosti/721-rodovoe-imya-alternativnaya-otvetstvennost/ архів]), BELMARC (рос.)