Gaya APA

Williams, J, O, I, G, M. (1997). Chemistry : The molecular science (2). Dubuque: Wm. C. Brown Publishing.

Gaya MLA

Williams, John, Olmsted, III,, Gergory, M.. "Chemistry : The molecular science". 2 Dubuque: Wm. C. Brown Publishing, 1997. Text.