Dyfyniad APA

Tyrol. Through a Naturalist's Eyes. University Press of New England.

Dyfyniad Arddull Chicago

Tyrol. Through a Naturalist's Eyes. University Press of New England.

Dyfyniad MLA

Tyrol. Through a Naturalist's Eyes. University Press of New England.

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