Angelou, M. (2009). I know why the caged bird sings (Ballantine Books mass market ed.). Ballantine Books.
Dyfyniad Arddull ChicagoAngelou, Maya. I Know Why the Caged Bird Sings. Ballantine Books mass market ed. New York: Ballantine Books, 2009.
Dyfyniad MLAAngelou, Maya. I Know Why the Caged Bird Sings. Ballantine Books mass market ed. Ballantine Books, 2009.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.