APA (7 वां संस्करण) प्रशस्ति पत्र
Johannessen, J. B., & Salmons, J. (2015). Germanic heritage languages in North America: Acquisition, attrition and change. John Benjamins Publishing Company.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Johannessen, Janne Bondi, और Joe Salmons. Germanic Heritage Languages in North America: Acquisition, Attrition and Change. Philadelphia: John Benjamins Publishing Company, 2015.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Johannessen, Janne Bondi, और Joe Salmons. Germanic Heritage Languages in North America: Acquisition, Attrition and Change. John Benjamins Publishing Company, 2015.
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