Gaya APA
Poincelot, R, P. (1979).
Horticulture : Principles And Practical Applications .
United States of America:
PRENTCE-HALL INTERNATIONAL.
Gaya MLA
Poincelot, Raymond, P..
"Horticulture : Principles And Practical Applications".
United States of America:
PRENTCE-HALL INTERNATIONAL,
1979.
Text.