Style de citation APA

Van Duyn J. (1975). practical system and procedures manual. Reston publishing co.

Style de citation Chicago

Van Duyn J. Practical System and Procedures Manual. Virginia: Reston publishing co, 1975.

Style de citation MLA

Van Duyn J. Practical System and Procedures Manual. Reston publishing co, 1975.

Attention : ces citations peuvent ne pas être correctes à 100%.