Citazione Stile APA (7a Edizione)

Pray, C. E., & Ramaswami, B. (1991). A framework for seed policy analysis in developing countries. International Food Policy Research Institute.

Citazione stile Chigago Style (17a edizione)

Pray, Carl E., e Bharat Ramaswami. A Framework for Seed Policy Analysis in Developing Countries. Washington, D.C: International Food Policy Research Institute, 1991.

Citatione MLA (9a ed.)

Pray, Carl E., e Bharat Ramaswami. A Framework for Seed Policy Analysis in Developing Countries. International Food Policy Research Institute, 1991.