SHARMA, V. (1986). Geomorphology: Earth surface processes and forms. Tata McGraw-Hill.
Cita Chicago (17th ed.)SHARMA, V.K. Geomorphology: Earth Surface Processes and Forms. New Delhi: Tata McGraw-Hill, 1986.
Cita MLA (9th ed.)SHARMA, V.K. Geomorphology: Earth Surface Processes and Forms. Tata McGraw-Hill, 1986.
Atenció: Aquestes cites poden no estar 100% correctes.