Dyfyniad APA
Harris, P. (2011). Profit planning: For hospitality and tourism (3rd rev. ed.). Goodfellow Publishers Ltd..
Dyfyniad Arddull Chicago
Harris, Peter. Profit Planning: For Hospitality and Tourism. 3rd rev. ed. Oxford: Goodfellow Publishers Ltd., 2011.
Dyfyniad MLA
Harris, Peter. Profit Planning: For Hospitality and Tourism. 3rd rev. ed. Goodfellow Publishers Ltd., 2011.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.