Παραπομπή APA

Churchman, C. W. (1971). The design of inquiring systems. New York, NY [u.a.].

Παραπομπή Chicago Style

Churchman, Charles West. The Design of Inquiring Systems. New York, NY [u.a.], 1971.

Παραπομπή MLA

Churchman, Charles West. The Design of Inquiring Systems. New York, NY [u.a.], 1971.