APA (7. basım) Alıntı

(1968). About the Sudbury Valley School. Sudbury Valley School.

Chicago Style (17. basım) Atıf

About the Sudbury Valley School. [Framingham]: Sudbury Valley School, 1968.

MLA (8th ed.) Atıf

About the Sudbury Valley School. Sudbury Valley School, 1968.