Dyfyniad APA

Director, S. W., & Rohrer, R. A. Introduction to Systems Theory. McGraw-Hill Kogakusha Ltd.

Dyfyniad Arddull Chicago

Director, Stephen W., and Ronald A. Rohrer. Introduction to Systems Theory. Tokyo: McGraw-Hill Kogakusha Ltd.

Dyfyniad MLA

Director, Stephen W., and Ronald A. Rohrer. Introduction to Systems Theory. McGraw-Hill Kogakusha Ltd.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.