Cita APA (7a ed.)

Silk, L. S. 1. (1975). Contemporary Economics: Principles and Issues. McGraw-Hill Book Co..

Cita Chicago Style (17a ed.)

Silk, Leonard Solomon 1918. Contemporary Economics: Principles and Issues. New York: McGraw-Hill Book Co., 1975.

Cita MLA (9a ed.)

Silk, Leonard Solomon 1918. Contemporary Economics: Principles and Issues. McGraw-Hill Book Co., 1975.