Style de citation APA (7e éd.)

Helling, P. (1992). The grammar and proofreading course. American Management Association.

Style de citation Chicago (17e éd.)

Helling, Pamela. The Grammar and Proofreading Course. [Place of publication not identified]: American Management Association, 1992.

Style de citation MLA (8e éd.)

Helling, Pamela. The Grammar and Proofreading Course. American Management Association, 1992.