Yahaya Ismail. (1987). Siapa presiden UMNO 1987: Mahathir-Tengku Razaleigh? Dinamika Kreatif.
Chicago Style (17th ed.) CitationYahaya Ismail. Siapa Presiden UMNO 1987: Mahathir-Tengku Razaleigh? Kuala Lumpur: Dinamika Kreatif, 1987.
MLA (8th ed.) CitationYahaya Ismail. Siapa Presiden UMNO 1987: Mahathir-Tengku Razaleigh? Dinamika Kreatif, 1987.
Warning: These citations may not always be 100% accurate.