APA (7 वां संस्करण) प्रशस्ति पत्र

Flick, U. (2017). An Introduction to Qualitative Research (5th ed.). SAGE Publications India Pvt. Ltd.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Flick, Uwe. An Introduction to Qualitative Research. 5th ed. New Delhi: SAGE Publications India Pvt. Ltd, 2017.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Flick, Uwe. An Introduction to Qualitative Research. 5th ed. SAGE Publications India Pvt. Ltd, 2017.