APA (7e ed.) Bronvermelding

ROEHM, H. A. (1984). Spending less and enjoying it more. McGraw-Hill Book.

Chicago (17e ed.) Bronvermelding

ROEHM, Harper A. Spending Less and Enjoying It More. New York: McGraw-Hill Book, 1984.

MLA (9e ed.) Bronvermelding

ROEHM, Harper A. Spending Less and Enjoying It More. McGraw-Hill Book, 1984.