APA citiranje

Churchman, C. W. (1979). The systems approach: Revised and updated. New York: Dell Publishing Co., Inc.

Trích dẫn kiểu Chicago

Churchman, C. West. The Systems Approach: Revised and Updated. New York: Dell Publishing Co., Inc, 1979.

MLA citiranje

Churchman, C. West. The Systems Approach: Revised and Updated. New York: Dell Publishing Co., Inc, 1979.