DUNCKEL JACQUELINE. (1994). BUSINESS ETIQUETTE: MAKE A GOOD IMPRESION - GAIN THE COMPETITIVE EDGE. LANCER INTERNATIONAL.
芝加哥风格引文DUNCKEL JACQUELINE. BUSINESS ETIQUETTE: MAKE A GOOD IMPRESION - GAIN THE COMPETITIVE EDGE. INDIA,CANADA,USA: LANCER INTERNATIONAL, 1994.
MLA引文DUNCKEL JACQUELINE. BUSINESS ETIQUETTE: MAKE A GOOD IMPRESION - GAIN THE COMPETITIVE EDGE. LANCER INTERNATIONAL, 1994.
警告：这些引文格式不一定是100％准确.