Cita APA (7th ed.)

Harrison, R. M. (1991). Introductory chemistry for environmental sciences. C.U.Pr..

Cita Chicago (17th ed.)

Harrison, Roy M. Introductory Chemistry for Environmental Sciences. Cambridge: C.U.Pr., 1991.

Cita MLA (9th ed.)

Harrison, Roy M. Introductory Chemistry for Environmental Sciences. C.U.Pr., 1991.