Παραπομπή σε μορφή APA (7η εκδ.)

Hanley, N. D. (1991). Farming and the countryside: An economic analysis of external costs and benefits. CABI International.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Hanley, Nicholas David. Farming and the Countryside: An Economic Analysis of External Costs and Benefits. Wallingford: CABI International, 1991.

Παραπομπή σε μορφή MLA (9th εκδ.)

Hanley, Nicholas David. Farming and the Countryside: An Economic Analysis of External Costs and Benefits. CABI International, 1991.