Gaya APA

FEIGL, D, M. (1986). General, Organic, and Biological Chemistry (ed. 2). United states: BURGRESS PUBLISHING COMPANY.

Gaya MLA

FEIGL, Dorothy, M.. "General, Organic, and Biological Chemistry". ed. 2 United states: BURGRESS PUBLISHING COMPANY, 1986. FAKULTAS TEKNIK.