APA Style
Simmonds, N.W.. (1987).
Principles of Crop Impropment .
:
Longman Scientific & Technical.
Chicago Style
Simmonds, N.W..
Principles of Crop Impropment.
:
Longman Scientific & Technical,
1987.
Text.
MLA Style
Simmonds, N.W..
Principles of Crop Impropment.
:
Longman Scientific & Technical,
1987.
Text.
Turabian Style
Simmonds, N.W..
Principles of Crop Impropment.
:
Longman Scientific & Technical,
1987.
Print.