Styl cytowania APA

Zadeh, L. A., & Polak, E. (1969). System theory. T M H.

Styl cytowania Chicago

Zadeh, L A., i E. Polak. System Theory. New Delhi: T M H, 1969.

Styl cytowania MLA

Zadeh, L A., i E. Polak. System Theory. T M H, 1969.