Παραπομπή APA

Pressey, S. L. (1967). Psychology in Education. Universal Book Stall.

Παραπομπή Chicago Style

Pressey, Sidnney L. Psychology in Education. New Delhi: Universal Book Stall, 1967.

Παραπομπή MLA

Pressey, Sidnney L. Psychology in Education. Universal Book Stall, 1967.