Cita APA (7th ed.)

Singh, G. (2000). Map work and practical geography (4th ed.). Vikas.

Cita Chicago (17th ed.)

Singh, Gopal. Map Work and Practical Geography. 4th ed. New Delhi: Vikas, 2000.

Cita MLA (9th ed.)

Singh, Gopal. Map Work and Practical Geography. 4th ed. Vikas, 2000.

Atenció: Aquestes cites poden no estar 100% correctes.