Cita APA (7th ed.)

Christensen, L. B. (2001). Experimental methodology (3rd. ed.). Allyn & Bacon.

Cita Chicago (17th ed.)

Christensen, Larry B. Experimental Methodology. 3rd. ed. Boston: Allyn & Bacon, 2001.

Cita MLA (9th ed.)

Christensen, Larry B. Experimental Methodology. 3rd. ed. Allyn & Bacon, 2001.