Παραπομπή σε μορφή APA (7η εκδ.)

Douglass, A. A. (1940). The American school system: A survey of the principles and practices of education (Rev. ed.). Farrar and Rinehart, inc.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Douglass, Aubrey Augustus. The American School System: A Survey of the Principles and Practices of Education. Rev. ed. New York: Farrar and Rinehart, inc, 1940.

Παραπομπή σε μορφή MLA (9th εκδ.)

Douglass, Aubrey Augustus. The American School System: A Survey of the Principles and Practices of Education. Rev. ed. Farrar and Rinehart, inc, 1940.