Dyfyniad APA

Yochim. Skate Life. University of Michigan Press.

Dyfyniad Arddull Chicago

Yochim. Skate Life. University of Michigan Press.

Dyfyniad MLA

Yochim. Skate Life. University of Michigan Press.

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