APA (7 वां संस्करण) प्रशस्ति पत्र

Hover, D. Think twice. Communication activities for beginner to intermediate students.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Hover, David. Think Twice. Communication Activities for Beginner to Intermediate Students.

एमएलए (8वां संस्करण) प्रशस्ति पत्र

Hover, David. Think Twice. Communication Activities for Beginner to Intermediate Students.

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