Dyfyniad APA

Brown, T. L., LeMay, H. E., & Bursten, B. E. (1997). Chemistry: The central science (7th ed.). Prentice Hall.

Dyfyniad Arddull Chicago

Brown, Theodore L., H. Eugene LeMay, and Bruce Edward Bursten. Chemistry: The Central Science. 7th ed. Upper Saddle River, N.J.: Prentice Hall, 1997.

Dyfyniad MLA

Brown, Theodore L., et al. Chemistry: The Central Science. 7th ed. Prentice Hall, 1997.

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