Dyfyniad APA

White, W. B. (2020). Caves and Karst of the Greenbrier Valley in West Virginia. 1st ed. 2018. Springer International Publishing.

Dyfyniad Arddull Chicago

White, William B. Caves and Karst of the Greenbrier Valley in West Virginia. 1st Ed. 2018. Springer International Publishing, 2020.

Dyfyniad MLA

White, William B. Caves and Karst of the Greenbrier Valley in West Virginia. 1st Ed. 2018. Springer International Publishing, 2020.

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