Gaya APA
SIMMONS, JOHN. (1938).
Cocoa production economic and botanical perspectives .
New York:
Praeger Publishers.
Gaya Chicago
SIMMONS, JOHN.
Cocoa production economic and botanical perspectives.
New York:
Praeger Publishers,
1938.
.
Gaya MLA
SIMMONS, JOHN.
Cocoa production economic and botanical perspectives.
New York:
Praeger Publishers,
1938.
.
Gaya Turabian
SIMMONS, JOHN.
Cocoa production economic and botanical perspectives.
New York:
Praeger Publishers,
1938.
.