APA (7th ed.) Zitazioa

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

Chicago Style (17th ed.) Zitazioa

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

MLA (9th ed.) Zitazioa

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