Dyfyniad APA

Philbrick, N. (2004). Sea of glory: America's voyage of discovery. Penguin.

Dyfyniad Arddull Chicago

Philbrick, Nathaniel. Sea of Glory: America's Voyage of Discovery. New York: Penguin, 2004.

Dyfyniad MLA

Philbrick, Nathaniel. Sea of Glory: America's Voyage of Discovery. Penguin, 2004.

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