APA aipamena

Kohler, H. (1970). Instructor's manual for economics: The science of scarcity. Dryden Press.

Chicago Style aipamena

Kohler, Heinz. Instructor's Manual for Economics: The Science of Scarcity. Illinois: Dryden Press, 1970.

MLA aipamena

Kohler, Heinz. Instructor's Manual for Economics: The Science of Scarcity. Dryden Press, 1970.