APA (7e ed.) Bronvermelding

Gupta, R. C. (1980). Theory of Relativity. Prentice-Hall of India.

Chicago (17e ed.) Bronvermelding

Gupta, R. C. Theory of Relativity. New Delhi: Prentice-Hall of India, 1980.

MLA (9e ed.) Bronvermelding

Gupta, R. C. Theory of Relativity. Prentice-Hall of India, 1980.