APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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