Nicholson, J., & Beloff, H. Psychology survey. British Psychological Society.
Chicago Style (17th ed.) CitationNicholson, John, and Halla Beloff. Psychology Survey. Leicester (St. Andrews House, Princess Rd. East, Leicester LE1 7DR): British Psychological Society.
ציטוט MLANicholson, John, and Halla Beloff. Psychology Survey. British Psychological Society.
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