Dyfyniad APA

(1966). Health and Strength. London: Health and Strength Publ. Co.

Dyfyniad Arddull Chicago

Health and Strength. London: Health and Strength Publ. Co, 1966.

Dyfyniad MLA

Health and Strength. London: Health and Strength Publ. Co, 1966.

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