Dyfyniad APA

Morison, S. E. (1967). " Old Brain" Commodore Mathew C. Perry. Little Brown.

Dyfyniad Arddull Chicago

Morison, Samuel Eliot. " Old Brain" Commodore Mathew C. Perry. Boston: Little Brown, 1967.

Dyfyniad MLA

Morison, Samuel Eliot. " Old Brain" Commodore Mathew C. Perry. Little Brown, 1967.

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