Dyfyniad APA

(1909). Notes supplementary to any edition of Lewis and Clark.

Dyfyniad Arddull Chicago

Notes Supplementary to Any Edition of Lewis and Clark. 1909.

Dyfyniad MLA

Notes Supplementary to Any Edition of Lewis and Clark. 1909.

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