Gaya APA
Kohls, Richard L.. (1961).
Marketing of agricultural products (text).
New York:
The Macmillan Company.
Gaya Chicago
Kohls, Richard L..
Marketing of agricultural products.
text
New York:
The Macmillan Company,
1961.
.
Gaya MLA
Kohls, Richard L..
Marketing of agricultural products.
text
New York:
The Macmillan Company,
1961.
.
Gaya Turabian
Kohls, Richard L..
Marketing of agricultural products.
text
New York:
The Macmillan Company,
1961.
.