Standard Book Numbering Agency. (1968). Standard book numbering: Incorporating the recommendations of the Publishers Association for implementing the Standard Book Numbering scheme (2nd rev. ed.).
Lua i Stíl Chicago (17ú heag.)Standard Book Numbering Agency. Standard Book Numbering: Incorporating the Recommendations of the Publishers Association for Implementing the Standard Book Numbering Scheme. 2nd rev. ed. London, 1968.
Lua MLA (9ú heag.)Standard Book Numbering Agency. Standard Book Numbering: Incorporating the Recommendations of the Publishers Association for Implementing the Standard Book Numbering Scheme. 2nd rev. ed. 1968.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.