Gaya APA
Donahue, Roy L.. (1979).
Exploring agriculture : an introduction to food and agriculture (text).
New Jersey:
Prentice Hall.
Gaya Chicago
Donahue, Roy L..
Exploring agriculture : an introduction to food and agriculture.
text
New Jersey:
Prentice Hall,
1979.
.
Gaya MLA
Donahue, Roy L..
Exploring agriculture : an introduction to food and agriculture.
text
New Jersey:
Prentice Hall,
1979.
.
Gaya Turabian
Donahue, Roy L..
Exploring agriculture : an introduction to food and agriculture.
text
New Jersey:
Prentice Hall,
1979.
.