Dyfyniad APA

Snyder, J., & Stonehouse, B. (2014). Prospects for Polar Tourism. CABI.

Dyfyniad Arddull Chicago

Snyder, J.M, và B. Stonehouse. Prospects for Polar Tourism. CABI, 2014.

Dyfyniad MLA

Snyder, J.M, và B. Stonehouse. Prospects for Polar Tourism. CABI, 2014.

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