PALMER HELEN. (1998). ENNEAGRAM ADVANTAGE: PUTTING THE 9 PERSONALITY TYPES--------------IN THE OFFICE. HARMONY BOOKS.
Chicagoスタイル(17版)引用形式PALMER HELEN. ENNEAGRAM ADVANTAGE: PUTTING THE 9 PERSONALITY TYPES--------------IN THE OFFICE. NEW YORK: HARMONY BOOKS, 1998.
MLA(9版)引用形式PALMER HELEN. ENNEAGRAM ADVANTAGE: PUTTING THE 9 PERSONALITY TYPES--------------IN THE OFFICE. HARMONY BOOKS, 1998.
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