Strang, R. M. (1965). Understanding and helping the retarded reader. University of Arizona Press.
Chicago-viite (17. p.)Strang, Ruth May. Understanding and Helping the Retarded Reader. Tucson: University of Arizona Press, 1965.
MLA-viite (9. p.)Strang, Ruth May. Understanding and Helping the Retarded Reader. University of Arizona Press, 1965.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.