APA Style
SIMMONDS,N.W. (1979).
Principles of crop improvement .
London:
Longman Group.
Chicago Style
SIMMONDS,N.W.
Principles of crop improvement.
London:
Longman Group,
1979.
Hard Copy.
MLA Style
SIMMONDS,N.W.
Principles of crop improvement.
London:
Longman Group,
1979.
Hard Copy.
Turabian Style
SIMMONDS,N.W.
Principles of crop improvement.
London:
Longman Group,
1979.
Hard Copy.