Gaya APA

FRANTZ, H, W., MALM, L, E. (1968). ESSENTIALS OF CHEMISTRY IN THE LABORATORY . USA: W. H. Freeman and Company.

Gaya MLA

FRANTZ, HARPER, W.., MALM, LLOYD, E.. "ESSENTIALS OF CHEMISTRY IN THE LABORATORY". USA: W. H. Freeman and Company, 1968. Textbook.