APA (7 वां संस्करण) प्रशस्ति पत्र

LEIGH ANDREW. (2000). PERSUASIVE REPORT & PROPOSALS. UNIVERSITY PRESS.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

LEIGH ANDREW. PERSUASIVE REPORT & PROPOSALS. HYDRABAD: UNIVERSITY PRESS, 2000.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

LEIGH ANDREW. PERSUASIVE REPORT & PROPOSALS. UNIVERSITY PRESS, 2000.