APA
(1999). Principles of plant Breeding. New york: John Wiley &sons,inc.
Chicago
1999. Principles of plant Breeding. New york: John Wiley &sons,inc.
Harvard
(1999). Principles of plant Breeding. New york: John Wiley &sons,inc.
MLA
Principles of plant Breeding. New york: John Wiley &sons,inc. 1999.