Dyfyniad APA

Wittmann, M. C., Steinberg, R. N., & Redish, E. F. (2004). The physics suite. John Wiley and Sons.

Dyfyniad Arddull Chicago

Wittmann, Michael C., Richard N. Steinberg, and Edward F. Redish. The Physics Suite. Hoboken: John Wiley and Sons, 2004.

Dyfyniad MLA

Wittmann, Michael C., et al. The Physics Suite. John Wiley and Sons, 2004.

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