APA (7 वां संस्करण) प्रशस्ति पत्र
ebrary, Inc, Grimm, H., & Skowronek, H. (1993). Language acquisition problems and reading disorders: Aspects of diagnosis and intervention. W. de Gruyter.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
ebrary, Inc, Hannelore Grimm, और Helmut Skowronek. Language Acquisition Problems and Reading Disorders: Aspects of Diagnosis and Intervention. Berlin ; New York: W. de Gruyter, 1993.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
ebrary, Inc, et al. Language Acquisition Problems and Reading Disorders: Aspects of Diagnosis and Intervention. W. de Gruyter, 1993.
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