APA ציטוט

Bevan, W., & Helson, H. (1964). Contemporary approaches to psychology. Van Nostrand Reinhold Co.

Chicago Edition Citation

Bevan, William, and Harry Helson. Contemporary Approaches to Psychology. Newyork: Van Nostrand Reinhold Co, 1964.

ציטוט MLA

Bevan, William, and Harry Helson. Contemporary Approaches to Psychology. Van Nostrand Reinhold Co, 1964.