APA (7e ed.) Bronvermelding

Blumenthal, J. C. (1962). English 3200: A programmed course in grammar and usage. Harcourt, Brace & World.

Chicago (17e ed.) Bronvermelding

Blumenthal, Joseph C. English 3200: A Programmed Course in Grammar and Usage. New York: Harcourt, Brace & World, 1962.

MLA (9e ed.) Bronvermelding

Blumenthal, Joseph C. English 3200: A Programmed Course in Grammar and Usage. Harcourt, Brace & World, 1962.