Gaya APA
NORMAN, A, G. (1978).
SOYBEAN PHYSIOLOGY AGRONOMY, AND UTILIZATION .
United States of America:
ACAEMIC PRESS.
Gaya MLA
NORMAN, A., GEOFFREY.
"SOYBEAN PHYSIOLOGY AGRONOMY, AND UTILIZATION".
United States of America:
ACAEMIC PRESS,
1978.
Text.