Gaya APA

Luros, G, &, T, J. (1966). Essentials of Chemistry . Philadelphia: Philadelpia , J.B Lipincott Co..

Gaya MLA

Luros, G.O., &, Towne,, J.C.. "Essentials of Chemistry". Philadelphia: Philadelpia , J.B Lipincott Co., 1966. Text.