Παραπομπή σε μορφή APA (7η εκδ.)

Liebschner, J. (1991). Foundations of progressive education: The history of the National Froebel Society. The Lutterworth Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Liebschner, Joachim. Foundations of Progressive Education: The History of the National Froebel Society. Cambridge: The Lutterworth Press, 1991.

Παραπομπή σε μορφή MLA (9th εκδ.)

Liebschner, Joachim. Foundations of Progressive Education: The History of the National Froebel Society. The Lutterworth Press, 1991.