American Psychological Association. (2001). Publications manual of the American Psychologcal Association (5th ed.). American Psychological Association.
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Chicago Style (17th ed.) Zitazioa
American Psychological Association. Publications Manual of the American Psychologcal Association. 5th ed. Washington, DC: American Psychological Association, 2001.
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MLA (9th ed.) Zitazioa
American Psychological Association. Publications Manual of the American Psychologcal Association. 5th ed. American Psychological Association, 2001.
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