APA (7 वां संस्करण) प्रशस्ति पत्र

Wiener Ori. (2017). High Impact Fee Negotiation And Management For Professionals (2.). Kogan Page Limited.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Wiener Ori. High Impact Fee Negotiation And Management For Professionals. 2. London: Kogan Page Limited, 2017.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Wiener Ori. High Impact Fee Negotiation And Management For Professionals. 2. Kogan Page Limited, 2017.