TRANTHAM, C. R., & PEDERSEN, J. K. (1976). Normal language developmant: The key to diagnosis andtherapy for language-desorded children. The Williams and Wilkins Co.
Lua i Stíl Chicago (17ú heag.)TRANTHAM, Carla Ross, agus Joan K. PEDERSEN. Normal Language Developmant: The Key to Diagnosis Andtherapy for Language-desorded Children. Baltimore: The Williams and Wilkins Co, 1976.
Lua MLA (9ú heag.)TRANTHAM, Carla Ross, agus Joan K. PEDERSEN. Normal Language Developmant: The Key to Diagnosis Andtherapy for Language-desorded Children. The Williams and Wilkins Co, 1976.
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