Abbott, P. (1999). Front office: Procedures, social skills, yield and management (2nd ed.). Oxford: Butterworth-Heinemann.
استشهاد بنمط شيكاغوAbbott, Peter. Front Office: Procedures, Social Skills, Yield and Management. 2nd ed. Oxford: Butterworth-Heinemann, 1999.
MLA استشهادAbbott, Peter. Front Office: Procedures, Social Skills, Yield and Management. 2nd ed. Oxford: Butterworth-Heinemann, 1999.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.