Παραπομπή σε μορφή APA (7η εκδ.)

Halcrow, H. G., & Spitze, R. G. (1994). Food and agricultural policy: Economics and politics (second edition.). McGraw-Hill, Inc.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Halcrow, Harold G., και Robert G.F Spitze. Food and Agricultural Policy: Economics and Politics. second edition. New York: McGraw-Hill, Inc, 1994.

Παραπομπή σε μορφή MLA (8th εκδ.)

Halcrow, Harold G., και Robert G.F Spitze. Food and Agricultural Policy: Economics and Politics. second edition. McGraw-Hill, Inc, 1994.