APA (7e ed.) Bronvermelding

Rogers, R. M., & Watkins, A. R. j. a. (1981). German through conversational patterns (3rd ed.). Harper % Row.

Chicago (17e ed.) Bronvermelding

Rogers, R. Max, en Arthur R. joint author Watkins. German Through Conversational Patterns. 3rd ed. New York: Harper % Row, 1981.

MLA (9e ed.) Bronvermelding

Rogers, R. Max, en Arthur R. joint author Watkins. German Through Conversational Patterns. 3rd ed. Harper % Row, 1981.