APA (7th ed.) Zitazioa

Shea, V. N., & Whitla, W. (2001). Foundations: Critical thinking, reading, and writing. Prentice Hall.

Chicago Style (17th ed.) Zitazioa

Shea, Victor Norman, eta William Whitla. Foundations: Critical Thinking, Reading, and Writing. Toronto: Prentice Hall, 2001.

MLA (9th ed.) Zitazioa

Shea, Victor Norman, eta William Whitla. Foundations: Critical Thinking, Reading, and Writing. Prentice Hall, 2001.