APA (7e ed.) Bronvermelding

(1975). Living in the classroom: The currency-based token economy / by James S. Payne [and others].

Chicago (17e ed.) Bronvermelding

Living in the Classroom: The Currency-based Token Economy / by James S. Payne [and Others]. 1975.

MLA (9e ed.) Bronvermelding

Living in the Classroom: The Currency-based Token Economy / by James S. Payne [and Others]. 1975.

Let op: Deze citaties zijn niet altijd 100% accuraat.