Dokumentuaren aipamena

APA (7th ed.) Zitazioa
Spearman, C. (1973). The nature of 'intelligence' and the principles of cognition. Arno.
Chicago Style (17th ed.) Zitazioa
Spearman, Charles. The Nature of 'Intelligence' and the Principles of Cognition. New York: Arno, 1973.
MLA (9th ed.) Zitazioa
Spearman, Charles. The Nature of 'Intelligence' and the Principles of Cognition. Arno, 1973.
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