APA Style
Graaff,J.de. (1986).
The Economics of Coffee .
:
Pudoc Wageningen.
Chicago Style
Graaff,J.de.
The Economics of Coffee.
:
Pudoc Wageningen,
1986.
Text.
MLA Style
Graaff,J.de.
The Economics of Coffee.
:
Pudoc Wageningen,
1986.
Text.
Turabian Style
Graaff,J.de.
The Economics of Coffee.
:
Pudoc Wageningen,
1986.
Print.