Gaya APA

Sienko, M, J., Plane, R, A. (1957). Chemistry (Second edition, 1961). United States of America: McGraw-Hill Book Company.

Gaya MLA

Sienko, Michell, J.., Plane, Robert, A.. "Chemistry". Second edition, 1961 United States of America: McGraw-Hill Book Company, 1957. Text.