Style de citation APA (7e éd.)

DIRECTOR, S. W. (1972). Introduction To Systems Theory Tephen W. Director. McGraw-Hill.

Style de citation Chicago (17e éd.)

DIRECTOR, Stephen W. Introduction To Systems Theory Tephen W. Director. McGraw-Hill, 1972.

Style de citation MLA (8e éd.)

DIRECTOR, Stephen W. Introduction To Systems Theory Tephen W. Director. McGraw-Hill, 1972.