APA (7th ed.) Citation

Khoo, S. N., & Lubis, A. (2005). Kinta Valley: Pioneering Malaysia's Modern Development. Perak Academy.

Chicago Style (17th ed.) Citation

Khoo, Salma Nasution, and Abdur-Razzaq Lubis. Kinta Valley: Pioneering Malaysia's Modern Development. Perak: Perak Academy, 2005.

MLA (9th ed.) Citation

Khoo, Salma Nasution, and Abdur-Razzaq Lubis. Kinta Valley: Pioneering Malaysia's Modern Development. Perak Academy, 2005.