Sharma, B. (1991). Applied agricultural geography. Rawat.
Cita Chicago (17th ed.)Sharma, B.L. Applied Agricultural Geography. Jaipur: Rawat, 1991.
Cita MLA (9th ed.)Sharma, B.L. Applied Agricultural Geography. Rawat, 1991.
Atenció: Aquestes cites poden no estar 100% correctes.