Ahmad, A. (2015). Dr Mahathir's selected letters to world leaders. Marshall Cavendish Editions.
芝加哥风格引文Ahmad, Abdullah. Dr Mahathir's Selected Letters to World Leaders. Singapore: Marshall Cavendish Editions, 2015.
MLA引文Ahmad, Abdullah. Dr Mahathir's Selected Letters to World Leaders. Marshall Cavendish Editions, 2015.
警告：这些引文格式不一定是100％准确.