Gaya APA

Bauer, P, T., Yamey, B, S. (1972). The economics of under developed countries (1972). : Herts : James Nisbet and Co Ltd.,.

Gaya MLA

Bauer, Peter, T., Yamey, Basil, S. "The economics of under developed countries". 1972 : Herts : James Nisbet and Co Ltd.,, 1972. Text.