Cita APA (7th ed.)

Skidell, M. B., & Becker, S. G. (2002). The main idea: Reading to learn (3rd ed.). Longman.

Cita Chicago (17th ed.)

Skidell, Myrna Bigman, i Sidney Graves Becker. The Main Idea: Reading to Learn. 3rd ed. New York: Longman, 2002.

Cita MLA (8th ed.)

Skidell, Myrna Bigman, i Sidney Graves Becker. The Main Idea: Reading to Learn. 3rd ed. Longman, 2002.