APA-viite (7. p.)

Harkin, D. A. (1975). Strengths and weaknesses of the Philippine land reform. Southeast Asia Development Advisory Group of the Asia Society.

Chicago-viite (17. p.)

Harkin, Duncan A. Strengths and Weaknesses of the Philippine Land Reform. New York: Southeast Asia Development Advisory Group of the Asia Society, 1975.

MLA-viite (8. p.)

Harkin, Duncan A. Strengths and Weaknesses of the Philippine Land Reform. Southeast Asia Development Advisory Group of the Asia Society, 1975.