APA aipamena

Edirisinghe, N. (1987). The food stamp scheme in Sri Lanka: Costs, benefits, and options for modification. International Food Policy Research Institute.

Chicago Style aipamena

Edirisinghe, Neville. The Food Stamp Scheme in Sri Lanka: Costs, Benefits, and Options for Modification. Washington, D.C: International Food Policy Research Institute, 1987.

MLA aipamena

Edirisinghe, Neville. The Food Stamp Scheme in Sri Lanka: Costs, Benefits, and Options for Modification. International Food Policy Research Institute, 1987.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.