Gaya APA
L.Snowden, O., W.Donahoo., A.
(1960).
Profitable Farm Marketing
.
New York:
Prentice Hall International,Inc.
Gaya MLA
L.Snowden, Obed., W.Donahoo., Alvin.
"Profitable Farm Marketing".
New York:
Prentice Hall International,Inc,
1960.
Teks.