Lua APA (7ú heag.)

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

Lua i Stíl Chicago (17ú heag.)

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

Lua MLA (9ú heag.)

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

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.