Citazione Stile APA (7a Edizione)

Schiefelbusch, R. L. (1974). Language perspectives-acquisition, retardation, and intervention: Robert K. Hoyt. University Park Press.

Citazione stile Chigago Style (17a edizione)

Schiefelbusch, Richard L. Language Perspectives-acquisition, Retardation, and Intervention: Robert K. Hoyt. Baltimore: University Park Press, 1974.

Citatione MLA (9a ed.)

Schiefelbusch, Richard L. Language Perspectives-acquisition, Retardation, and Intervention: Robert K. Hoyt. University Park Press, 1974.