APA-referens (7:e uppl.)

Rao, K. S. (1995). Introduction to partial differential equations (6th ed.). Prentice-Hall of India.

Chicago-referens (17:e uppl.)

Rao, K. Sankara. Introduction to Partial Differential Equations. 6th ed. New Delhi: Prentice-Hall of India, 1995.

MLA-referens (8:e uppl.)

Rao, K. Sankara. Introduction to Partial Differential Equations. 6th ed. Prentice-Hall of India, 1995.