Abbott, P. (1999). Front office: Procedures, social skills, yield and management (2nd ed.). Oxford: Butterworth-Heinemann.
Dyfyniad Arddull ChicagoAbbott, Peter. Front Office: Procedures, Social Skills, Yield and Management. 2nd ed. Oxford: Butterworth-Heinemann, 1999.
Dyfyniad MLAAbbott, Peter. Front Office: Procedures, Social Skills, Yield and Management. 2nd ed. Oxford: Butterworth-Heinemann, 1999.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.