Gaya APA
TWEETEN, Luther G.. (1992).
Agricultural trade: principles and policies .
London:
Boulder and sanfransisco press.
Gaya Chicago
TWEETEN, Luther G..
Agricultural trade: principles and policies.
London:
Boulder and sanfransisco press,
1992.
Text.
Gaya MLA
TWEETEN, Luther G..
Agricultural trade: principles and policies.
London:
Boulder and sanfransisco press,
1992.
Text.
Gaya Turabian
TWEETEN, Luther G..
Agricultural trade: principles and policies.
London:
Boulder and sanfransisco press,
1992.
Print.