Παραπομπή σε μορφή APA (7η εκδ.)

Harkin, D. A. (1976). Land reform, land-use changes, and capital gains: The Philippine case. Land Tenure Center, University of Wisconsin.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Harkin, Duncan A. Land Reform, Land-use Changes, and Capital Gains: The Philippine Case. Madison, Wis: Land Tenure Center, University of Wisconsin, 1976.

Παραπομπή σε μορφή MLA (9th εκδ.)

Harkin, Duncan A. Land Reform, Land-use Changes, and Capital Gains: The Philippine Case. Land Tenure Center, University of Wisconsin, 1976.