FRIEDMAN N J. (1995). TELEPHONE SKILLS FROM A TO Z. CRISP PUBLICATION.
Chicagoスタイル(17版)引用形式FRIEDMAN N J. TELEPHONE SKILLS FROM A TO Z. CALIFORNIA: CRISP PUBLICATION, 1995.
MLA(9版)引用形式FRIEDMAN N J. TELEPHONE SKILLS FROM A TO Z. CRISP PUBLICATION, 1995.
警告: この引用は必ずしも正確ではありません.