Gaya APA
Swanson, C, P., Crops, F.
(1966).
Agriculture book 2
.
London:
London: Mcmillan; 1966.
Gaya MLA
Swanson, Carl, P.., Crops, Field.
"Agriculture book 2".
London:
London: Mcmillan; 1966,
1966.
Text.