Dyfyniad APA

Brown, T. L., & LeMay, H. E. (1991). Chemistry: The central science (5th ed.). Prentice Hall International.

Dyfyniad Arddull Chicago

Brown, Theodore L., and H. Eugene LeMay. Chemistry: The Central Science. 5th ed. Englewood Cliffs, NJ: Prentice Hall International, 1991.

Dyfyniad MLA

Brown, Theodore L., and H. Eugene LeMay. Chemistry: The Central Science. 5th ed. Prentice Hall International, 1991.

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