Gaya APA

Nebergall, W, H. et al (1972). COLLEGE CHEMISTRY WITH QUALITATIVE ANALYSIS (Fourth Edition). Massachusetts: D. C. HEATH AND COMPANY.

Gaya MLA

Nebergall, WIlliam, H.. et al. "COLLEGE CHEMISTRY WITH QUALITATIVE ANALYSIS". Fourth Edition Massachusetts: D. C. HEATH AND COMPANY, 1972. Textbook.