Maag, J. W. (1999). Behavior management: From theoretical implications to practical applications. San Diego, Calif.: Singular.
Παραπομπή Chicago StyleMaag, John W. Behavior Management: From Theoretical Implications to Practical Applications. San Diego, Calif.: Singular, 1999.
Παραπομπή MLAMaag, John W. Behavior Management: From Theoretical Implications to Practical Applications. San Diego, Calif.: Singular, 1999.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.