Παραπομπή APA

Chambers,Robert, & Clay,Edward J. (1981). Food policy issues in low-income countries. World Bank.

Παραπομπή Chicago Style

Chambers,Robert, και Clay,Edward J. Food Policy Issues in Low-income Countries. Washington: World Bank, 1981.

Παραπομπή MLA

Chambers,Robert, και Clay,Edward J. Food Policy Issues in Low-income Countries. World Bank, 1981.