Gaya APA
Andrew, M, K., Streeteu, O. (1976).
The tropics and economic development (Cet. 2).
Ballimore:
The John Hopkins University Press.
Gaya MLA
Andrew, M., Kamarck,., Streeteu, Oaul.
"The tropics and economic development".
Cet. 2
Ballimore:
The John Hopkins University Press,
1976.
Text.