Cita APA (7th ed.)

Kelter, P. B. (1999). Chemistry a world of choices. WCB/McGraw-Hill.

Cita Chicago (17th ed.)

Kelter, Paul B. Chemistry a World of Choices. New York: WCB/McGraw-Hill, 1999.

Cita MLA (9th ed.)

Kelter, Paul B. Chemistry a World of Choices. WCB/McGraw-Hill, 1999.