APA (7 ম সংস্করণ) উদ্ধৃতি

Kečkić, J. D. (1970). A differential operator and its applications to partial differential equations and nonanalytic functions. Univerzitet, Elektrotehnički fakultet].

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Kečkić, Jovan D. A Differential Operator and Its Applications to Partial Differential Equations and Nonanalytic Functions. [Beograd: Univerzitet, Elektrotehnički fakultet], 1970.

M.L.A (8 ম সংস্করণ) উদ্ধৃতি

Kečkić, Jovan D. A Differential Operator and Its Applications to Partial Differential Equations and Nonanalytic Functions. Univerzitet, Elektrotehnički fakultet], 1970.