(1975). 3rd international survey of children's book illustration =: 3. internationale Ubersicht uber die Kinderbuch-Illustration = 3e apercu international des illustrations de livres d'enfants. W. Herdeg, Graphis Press.
Citazione stile Chigago Style (17a edizione)3rd International Survey of Children's Book Illustration =: 3. Internationale Ubersicht Uber Die Kinderbuch-Illustration = 3e Apercu International Des Illustrations De Livres D'enfants. Zurich: W. Herdeg, Graphis Press, 1975.
Citatione MLA (8a ed.)3rd International Survey of Children's Book Illustration =: 3. Internationale Ubersicht Uber Die Kinderbuch-Illustration = 3e Apercu International Des Illustrations De Livres D'enfants. W. Herdeg, Graphis Press, 1975.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.