Gaya APA

Heyman, D, P., J, I, S, M. (1982). Stochastic Models in operations research volome 1 Stochastic processesand ì operating characteristics . New: .

Gaya MLA

Heyman, Daniel, P., J, I., Sobel,, Matthew. "Stochastic Models in operations research volome 1 Stochastic processesand ì operating characteristics". New: , 1982. Text.