Gaya APA

Butler, I, S., Grosser, A, E. (1984). Relevant Problens For Chemical Principles (Ed.8). Amerika: Cummings Publishing Company.

Gaya MLA

Butler, Ian, S.., Grosser, Arthur, E.. "Relevant Problens For Chemical Principles". Ed.8 Amerika: Cummings Publishing Company, 1984. Text.