Gaya APA
Martin, John H.. (1976).
Principles of field crop production (text).
New York:
Macmillan Publishing Co, Inc.
Gaya Chicago
Martin, John H..
Principles of field crop production.
text
New York:
Macmillan Publishing Co, Inc,
1976.
Tesis.
Gaya MLA
Martin, John H..
Principles of field crop production.
text
New York:
Macmillan Publishing Co, Inc,
1976.
Tesis.
Gaya Turabian
Martin, John H..
Principles of field crop production.
text
New York:
Macmillan Publishing Co, Inc,
1976.
Tesis.