Sparks, G. G. (2002). Media effects research: A basic overview. Belmont, CA: Wadsworth/Thomson Learning.
Παραπομπή Chicago StyleSparks, Glenn Grayson. Media Effects Research: A Basic Overview. Belmont, CA: Wadsworth/Thomson Learning, 2002.
Παραπομπή MLASparks, Glenn Grayson. Media Effects Research: A Basic Overview. Belmont, CA: Wadsworth/Thomson Learning, 2002.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.