APA aipamena

William Card. (1962). 99 exercises for college composition. Illinois: Scott, Foresman.

Chicago Style aipamena

William Card. 99 Exercises for College Composition. Illinois: Scott, Foresman, 1962.

MLA aipamena

William Card. 99 Exercises for College Composition. Illinois: Scott, Foresman, 1962.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.