Dyfyniad APA

Lansing, A. (1959). Endurance: Shackleton's incredible voyage. McGraw-Hill.

Dyfyniad Arddull Chicago

Lansing, Alfred. Endurance: Shackleton's Incredible Voyage. New York: McGraw-Hill, 1959.

Dyfyniad MLA

Lansing, Alfred. Endurance: Shackleton's Incredible Voyage. McGraw-Hill, 1959.

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