Gaya APA
Bettencourt, E. , Konopka, J.. (1988).
Industrial crops : beet, coffee, oil palm, cotton and rubber / E. Bettencourt, J. Konopka .
Rome:
IBPGR.
Gaya Chicago
Bettencourt, E. , Konopka, J..
Industrial crops : beet, coffee, oil palm, cotton and rubber / E. Bettencourt, J. Konopka.
Rome:
IBPGR,
1988.
Text.
Gaya MLA
Bettencourt, E. , Konopka, J..
Industrial crops : beet, coffee, oil palm, cotton and rubber / E. Bettencourt, J. Konopka.
Rome:
IBPGR,
1988.
Text.
Gaya Turabian
Bettencourt, E. , Konopka, J..
Industrial crops : beet, coffee, oil palm, cotton and rubber / E. Bettencourt, J. Konopka.
Rome:
IBPGR,
1988.
Print.