Dyfyniad APA

Freud, S., & Dyson, A. t. b. (2012). Leonardo da Vinci: Memoir of his childhood. Routledge.

Dyfyniad Arddull Chicago

Freud, Sigmund, and Alan; tr. by Dyson. Leonardo Da Vinci: Memoir of His Childhood. London: Routledge, 2012.

Dyfyniad MLA

Freud, Sigmund, and Alan; tr. by Dyson. Leonardo Da Vinci: Memoir of His Childhood. Routledge, 2012.

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