Dyfyniad APA

Lockwood A. (2001). Tourism and hospitality in the 21st century.

Dyfyniad Arddull Chicago

Lockwood A. Tourism and Hospitality in the 21st Century. Routledge,London, 2001.

Dyfyniad MLA

Lockwood A. Tourism and Hospitality in the 21st Century. 2001.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.