Παραπομπή APA

Enz, C. P., & Mehra, J. (1974). Physical relativity and mathematical description. Holland D Reidel.

Παραπομπή Chicago Style

Enz, Charles P., και Jagdish Mehra. Physical Relativity and Mathematical Description. Dordrecht: Holland D Reidel, 1974.

Παραπομπή MLA

Enz, Charles P., και Jagdish Mehra. Physical Relativity and Mathematical Description. Holland D Reidel, 1974.