Cita APA

Director, S. W. 1. -., & Rohrer, R. A. 1. (1972). Introduction to systems theory. New York, New York: McGraw-Hill.

Citación estilo Chicago

Director, Stephen W. 1943 -, y Ronald A. 1939- Rohrer. Introduction to Systems Theory. New York, New York: McGraw-Hill, 1972.

Cita MLA

Director, Stephen W. 1943 -, y Ronald A. 1939- Rohrer. Introduction to Systems Theory. New York, New York: McGraw-Hill, 1972.