Penggayaan APA
COOLEY, John L.. (1977).
Production, operation, planting & control .
London:
Holden day Inc..
Chicago Style
COOLEY, John L..
Production, operation, planting & control.
London:
Holden day Inc.,
1977.
Buku.
MLA Style
COOLEY, John L..
Production, operation, planting & control.
London:
Holden day Inc.,
1977.
Buku.
Turabian Style
COOLEY, John L..
Production, operation, planting & control.
London:
Holden day Inc.,
1977.
Buku.