Gaya APA
Grigg, David. (1994).
An introduction to agricultural geography (text).
New York:
Routledge.
Gaya Chicago
Grigg, David.
An introduction to agricultural geography.
text
New York:
Routledge,
1994.
Tesis.
Gaya MLA
Grigg, David.
An introduction to agricultural geography.
text
New York:
Routledge,
1994.
Tesis.
Gaya Turabian
Grigg, David.
An introduction to agricultural geography.
text
New York:
Routledge,
1994.
Tesis.