Παραπομπή σε μορφή APA (7η εκδ.)

Krueger, R. B. (1975). The United States and international oil: A report for the Federal Energy Administration on U.S. firms and Government policy. Praeger.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Krueger, Robert B. The United States and International Oil: A Report for the Federal Energy Administration on U.S. Firms and Government Policy. New York: Praeger, 1975.

Παραπομπή σε μορφή MLA (9th εκδ.)

Krueger, Robert B. The United States and International Oil: A Report for the Federal Energy Administration on U.S. Firms and Government Policy. Praeger, 1975.