Dyfyniad APA

Blauberg,I V. (1977). Systems theory: Philosophical and methodological problems. Progress Publishers.

Dyfyniad Arddull Chicago

Blauberg,I V. Systems Theory: Philosophical and Methodological Problems. Moscow: Progress Publishers, 1977.

Dyfyniad MLA

Blauberg,I V. Systems Theory: Philosophical and Methodological Problems. Progress Publishers, 1977.

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