Dyfyniad APA

ROWEL,Derek. System dynamics an introductionDerek Rowell; David n. Wormley. Pretice Hall.

Dyfyniad Arddull Chicago

ROWEL,Derek. System Dynamics an IntroductionDerek Rowell; David N. Wormley. Pretice Hall.

Dyfyniad MLA

ROWEL,Derek. System Dynamics an IntroductionDerek Rowell; David N. Wormley. Pretice Hall.

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