APA (7 वां संस्करण) प्रशस्ति पत्र

Abdullah Ahmad, T. S. D. S. (2008). Dr. Mahathir's: Selected letters to world leaders. Marshall Cavendish.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Abdullah Ahmad, Tan Sri Dato' Seri. Dr. Mahathir's: Selected Letters to World Leaders. Shah Alam, Selangor: Marshall Cavendish, 2008.

एमएलए (8वां संस्करण) प्रशस्ति पत्र

Abdullah Ahmad, Tan Sri Dato' Seri. Dr. Mahathir's: Selected Letters to World Leaders. Marshall Cavendish, 2008.