Cita APA (7th ed.)

DUNCKEL JACQUELINE. (1994). BUSINESS ETIQUETTE: MAKE A GOOD IMPRESION - GAIN THE COMPETITIVE EDGE. LANCER INTERNATIONAL.

Cita Chicago (17th ed.)

DUNCKEL JACQUELINE. BUSINESS ETIQUETTE: MAKE A GOOD IMPRESION - GAIN THE COMPETITIVE EDGE. INDIA,CANADA,USA: LANCER INTERNATIONAL, 1994.

Cita MLA (9th ed.)

DUNCKEL JACQUELINE. BUSINESS ETIQUETTE: MAKE A GOOD IMPRESION - GAIN THE COMPETITIVE EDGE. LANCER INTERNATIONAL, 1994.