Dyfyniad APA

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.).

Dyfyniad Arddull Chicago

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.

Dyfyniad MLA

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.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.