Παραπομπή APA

Bergmann, P. G. (1969). Introduction to the theory of relativity. Prentice-Hall of India.

Παραπομπή Chicago Style

Bergmann, Peter Gabriel. Introduction to the Theory of Relativity. New Delhi: Prentice-Hall of India, 1969.

Παραπομπή MLA

Bergmann, Peter Gabriel. Introduction to the Theory of Relativity. Prentice-Hall of India, 1969.