Sekuler, R., & Blake, R. (1990). Perception (Second edition.). McGraw-Hill Publishing Company.
Chicago Style aipamenaSekuler, Robert, and Randolph Blake. Perception. Second edition. New York: McGraw-Hill Publishing Company, 1990.
MLA aipamenaSekuler, Robert, and Randolph Blake. Perception. Second edition. McGraw-Hill Publishing Company, 1990.
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