McCormick, L., & Schiefelbusch, R. L. (1990). Early language intervention: An introduction (2nd ed.). C.E. Merrill Pub.
Chicago Style (17. basım) AtıfMcCormick, Linda, ve Richard L. Schiefelbusch. Early Language Intervention: An Introduction. 2nd ed. Columbus, Ohio: C.E. Merrill Pub, 1990.
MLA (9th ed.) AtıfMcCormick, Linda, ve Richard L. Schiefelbusch. Early Language Intervention: An Introduction. 2nd ed. C.E. Merrill Pub, 1990.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..