APA-viite (7. p.)
DIORIO, M., & KONARSKI, E. (1989). EFFECTS OF A FREELY AVAILABLE RESPONSE ON THE SCHEDULE PERFORMANCE OF MENTALLY RETARDED PERSONS.
Chicago-viite (17. p.)
DIORIO, M.S, ja E.A KONARSKI. EFFECTS OF A FREELY AVAILABLE RESPONSE ON THE SCHEDULE PERFORMANCE OF MENTALLY RETARDED PERSONS. 1989.
MLA-viite (9. p.)
DIORIO, M.S, ja E.A KONARSKI. EFFECTS OF A FREELY AVAILABLE RESPONSE ON THE SCHEDULE PERFORMANCE OF MENTALLY RETARDED PERSONS. 1989.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.