APA aipamena

James, C. L. (1956). Principles of economics (9th ed.). Barnes & Noble, Inc.

Chicago Style aipamena

James, Chifford L. Principles of Economics. 9th ed. New York: Barnes & Noble, Inc, 1956.

MLA aipamena

James, Chifford L. Principles of Economics. 9th ed. Barnes & Noble, Inc, 1956.