APA ציטוט

(1988). Agricultural productivity: Measurement and explanation. Washington, D.C: Resources for the Future.

Trích dẫn kiểu Chicago

Agricultural Productivity: Measurement and Explanation. Washington, D.C: Resources for the Future, 1988.

ציטוט MLA

Agricultural Productivity: Measurement and Explanation. Washington, D.C: Resources for the Future, 1988.