Gaya APA
Kohls, Richard L.. (1980).
Marketing of agricultural products (text).
New York:
Macmillan.
Gaya Chicago
Kohls, Richard L..
Marketing of agricultural products.
text
New York:
Macmillan,
1980.
Tesis.
Gaya MLA
Kohls, Richard L..
Marketing of agricultural products.
text
New York:
Macmillan,
1980.
Tesis.
Gaya Turabian
Kohls, Richard L..
Marketing of agricultural products.
text
New York:
Macmillan,
1980.
Tesis.