Sharma, B. (1991). Applied agricultural geography. Rawat.
Cita Chicago Style (17a ed.)Sharma, B.L. Applied Agricultural Geography. Jaipur: Rawat, 1991.
Cita MLA (9a ed.)Sharma, B.L. Applied Agricultural Geography. Rawat, 1991.
Precaución: Estas citas no son 100% exactas.