Dyfyniad APA
Myers, R. T., Oldham, K. B., & Tocci, S. (2009). Chemistry. Holt, Rinehart and Winston.
Dyfyniad Arddull Chicago
Myers, R. Thomas, Keith B. Oldham, and Salvatore Tocci. Chemistry. New York: Holt, Rinehart and Winston, 2009.
Dyfyniad MLA
Myers, R. Thomas, et al. Chemistry. Holt, Rinehart and Winston, 2009.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.