APA ציטוט

Petrovskiĭ, I. G. (1967). Partial differential equations. Iliffe Books.

Chicago Style (17th ed.) Citation

Petrovskiĭ, I. G. Partial Differential Equations. London: Iliffe Books, 1967.

ציטוט MLA

Petrovskiĭ, I. G. Partial Differential Equations. Iliffe Books, 1967.