APA-viite

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

Chicago-tyylinen lähdeviittaus

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

MLA-viite

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