APA (7e ed.) Bronvermelding

Blumenthal, J. C. (1989). English 2200: With writing applications : a programed course in grammar and usage (Nova ed.). Harcourt Brace Jovanovich.

Chicago (17e ed.) Bronvermelding

Blumenthal, Joseph C. English 2200: With Writing Applications : A Programed Course in Grammar and Usage. Nova ed. Orlando, Florida: Harcourt Brace Jovanovich, 1989.

MLA (9e ed.) Bronvermelding

Blumenthal, Joseph C. English 2200: With Writing Applications : A Programed Course in Grammar and Usage. Nova ed. Harcourt Brace Jovanovich, 1989.