APA (7 वां संस्करण) प्रशस्ति पत्र
Harmeyer, D. (2014). The reference interview today: Negotiating and answering questions face to face, on the phone, and virtually. Rowman & Littlefield.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Harmeyer, Dave. The Reference Interview Today: Negotiating and Answering Questions Face to Face, on the Phone, and Virtually. Maryland, UK: Rowman & Littlefield, 2014.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Harmeyer, Dave. The Reference Interview Today: Negotiating and Answering Questions Face to Face, on the Phone, and Virtually. Rowman & Littlefield, 2014.
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