Dyfyniad APA

Robinson, P., Heitmann, S., & Dieke, P. (2014). Research Themes for Tourism. CABI.

Dyfyniad Arddull Chicago

Robinson, Peter, Sine Heitmann, và Peter Dieke. Research Themes for Tourism. CABI, 2014.

Dyfyniad MLA

Robinson, Peter, Sine Heitmann, và Peter Dieke. Research Themes for Tourism. CABI, 2014.

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