Dyfyniad APA

Elsbree, E. S. (1937). Across the Isthmus of Panama. Thomas Nelson & Sons, Ltd.

Dyfyniad Arddull Chicago

Elsbree, Elizabeth Sellers. Across the Isthmus of Panama. London [etc.]: Thomas Nelson & Sons, Ltd, 1937.

Dyfyniad MLA

Elsbree, Elizabeth Sellers. Across the Isthmus of Panama. Thomas Nelson & Sons, Ltd, 1937.

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