Gaya APA
Small Farmers Development Manual, Vol. I. (1978).
Bangkok:
SN.
Gaya Chicago
Small Farmers Development Manual, Vol. I.
.
Bangkok:
SN,
1978.
.
Gaya MLA
Small Farmers Development Manual, Vol. I.
.
Bangkok:
SN,
1978.
.
Gaya Turabian
Small Farmers Development Manual, Vol. I.
Bangkok:
SN,
1978.
.