APA-referens (7:e uppl.)

Petrovsky, I. G. (1991). Lectures on partial differential equations. Dover.

Chicago-referens (17:e uppl.)

Petrovsky, Ivan Georgievich. Lectures on Partial Differential Equations. Nueva York: Dover, 1991.

MLA-referens (9:e uppl.)

Petrovsky, Ivan Georgievich. Lectures on Partial Differential Equations. Dover, 1991.