Dyfyniad APA

(1969). Courage!: Personal experiences of challenge and decision in the lives of great men and women. [Kansas City, Mo.]: Hallmark Editions.

Dyfyniad Arddull Chicago

Courage!: Personal Experiences of Challenge and Decision in the Lives of Great Men and Women. [Kansas City, Mo.]: Hallmark Editions, 1969.

Dyfyniad MLA

Courage!: Personal Experiences of Challenge and Decision in the Lives of Great Men and Women. [Kansas City, Mo.]: Hallmark Editions, 1969.

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