Παραπομπή APA

(1971). Profiles of significant schools: Schools without walls. New York: Educational Facilities Laboratories.

Παραπομπή Chicago Style

Profiles of Significant Schools: Schools Without Walls. New York: Educational Facilities Laboratories, 1971.

Παραπομπή MLA

Profiles of Significant Schools: Schools Without Walls. New York: Educational Facilities Laboratories, 1971.

Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.