Singh, G. (1979). Guru Nanak (3. (rev.) ed.). National Book Trust.
Chicago Style (17th ed.) CitationSingh, Gopal. Guru Nanak. 3. (rev.) ed. New Delhi: National Book Trust, 1979.
MLA (9th ed.) CitationSingh, Gopal. Guru Nanak. 3. (rev.) ed. National Book Trust, 1979.
Warning: These citations may not always be 100% accurate.