Gaya APA
DENISEN, Ervin L.. (1979).
Principles of horticulture (ke-2).
London:
Collier Macmillan.
Gaya Chicago
DENISEN, Ervin L..
Principles of horticulture.
ke-2
London:
Collier Macmillan,
1979.
Text.
Gaya MLA
DENISEN, Ervin L..
Principles of horticulture.
ke-2
London:
Collier Macmillan,
1979.
Text.
Gaya Turabian
DENISEN, Ervin L..
Principles of horticulture.
ke-2
London:
Collier Macmillan,
1979.
Print.