APA (7th ed.) Zitazioa
Willoughby, S. S. (2014). Textbooks, testing, training: How we discourage thinking. Mathematical Association of America.
Chicago Style (17th ed.) Zitazioa
Willoughby, Stephen S. Textbooks, Testing, Training: How We Discourage Thinking. [Washington, District of Columbia]: Mathematical Association of America, 2014.
MLA (9th ed.) Zitazioa
Willoughby, Stephen S. Textbooks, Testing, Training: How We Discourage Thinking. Mathematical Association of America, 2014.
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