Penggayaan APA
PURCELL, Wayne D.. (1979).
Agricultural marketing .
Virginia:
Reston.
Chicago Style
PURCELL, Wayne D..
Agricultural marketing.
Virginia:
Reston,
1979.
Buku.
MLA Style
PURCELL, Wayne D..
Agricultural marketing.
Virginia:
Reston,
1979.
Buku.
Turabian Style
PURCELL, Wayne D..
Agricultural marketing.
Virginia:
Reston,
1979.
Buku.