APA (7th ed.) Zitazioa
Johnson, G. (1947). Some ethical implications of a naturalistic philosophy of education.
Chicago Style (17th ed.) Zitazioa
Johnson, Glen. Some Ethical Implications of a Naturalistic Philosophy of Education. New York, 1947.
MLA (9th ed.) Zitazioa
Johnson, Glen. Some Ethical Implications of a Naturalistic Philosophy of Education. 1947.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.