Hjelle, L. A. Z. (1992). Personality theories (3 edition.). McGraw-Hill International Book Co.
Chicago Edition CitationHjelle, Larry A; Ziegler. Personality Theories. 3 edition. Auckland: McGraw-Hill International Book Co, 1992.
MLA Edition CitationHjelle, Larry A; Ziegler. Personality Theories. 3 edition. McGraw-Hill International Book Co, 1992.
Warning: These citations may not always be 100% accurate.