Ayllon, T. (1968). Token Economy: A Motivational System For Therapy and Rehabilitation. Appleton-Century-Crofts.
استشهاد بنمط شيكاغوAyllon, Teodore. Token Economy: A Motivational System For Therapy and Rehabilitation. New York: Appleton-Century-Crofts, 1968.
MLA استشهادAyllon, Teodore. Token Economy: A Motivational System For Therapy and Rehabilitation. Appleton-Century-Crofts, 1968.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.