APA (7 वां संस्करण) प्रशस्ति पत्र

Okamura, T., & Kai, M. (2020). Indigenous language acquisition, maintenance, and loss and current language policies. Information Science Reference.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Okamura, Toru, और Masumi Kai. Indigenous Language Acquisition, Maintenance, and Loss and Current Language Policies. Hershey, PA: Information Science Reference, 2020.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Okamura, Toru, और Masumi Kai. Indigenous Language Acquisition, Maintenance, and Loss and Current Language Policies. Information Science Reference, 2020.

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