Mahathir Mohamad Tun Dato' Seri Dr. 1925-. (1986). The Challenge. Petaling Jaya: Pelanduk Publications.
Chicago Style CitationMahathir Mohamad Tun Dato' Seri Dr. 1925-. The Challenge. Petaling Jaya: Pelanduk Publications, 1986.
MLA CitationMahathir Mohamad Tun Dato' Seri Dr. 1925-. The Challenge. Petaling Jaya: Pelanduk Publications, 1986.
Warning: These citations may not always be 100% accurate.