Gaya APA

Foster, P. (1999). The world food problem : Tackling the causes of undernutrition in the third world (Ed. 2.). Amerika : Lynne Rienner Publishers.

Gaya MLA

Foster, Phillips. "The world food problem : Tackling the causes of undernutrition in the third world". Ed. 2. Amerika : Lynne Rienner Publishers, 1999. Buku.