Dyfyniad APA
Hewitt, P. G., Hewitt, L. A., & Suchocki, J. (2004). Conceptual physical science (3rd ed.). Pearson / Addison Wesley.
Dyfyniad Arddull Chicago
Hewitt, Paul G., Leslie A. Hewitt, and John Suchocki. Conceptual Physical Science. 3rd ed. San Francisco: Pearson / Addison Wesley, 2004.
Dyfyniad MLA
Hewitt, Paul G., et al. Conceptual Physical Science. 3rd ed. Pearson / Addison Wesley, 2004.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.