Cita APA (7th ed.)

(1991). Introductory chemistry for environmental sciences. C U pr..

Cita Chicago (17th ed.)

Introductory Chemistry for Environmental Sciences. Cambridge: C U pr., 1991.

Cita MLA (9th ed.)

Introductory Chemistry for Environmental Sciences. C U pr., 1991.

Atenció: Aquestes cites poden no estar 100% correctes.