Graphis. (1967). Children's books illustration: Illustration des livres d'enfants - Kinderbuchillustrationen. The Graphis Press.
芝加哥风格引文Graphis. Children's Books Illustration: Illustration Des Livres D'enfants - Kinderbuchillustrationen. [Zurich]: The Graphis Press, 1967.
MLA引文Graphis. Children's Books Illustration: Illustration Des Livres D'enfants - Kinderbuchillustrationen. The Graphis Press, 1967.
警告：这些引文格式不一定是100％准确.