APA (7th ed.) Citation

Tan, R., & Umi Kalsom Mohd Azuddin. (2012). Dahsyatnya cabaran di pejabat (Edisi Bahasa Melayu.). PTS Professional.

Chicago Style (17th ed.) Citation

Tan, Roland, and Umi Kalsom Mohd Azuddin. Dahsyatnya Cabaran Di Pejabat. Edisi Bahasa Melayu. Selangor:: PTS Professional, 2012.

MLA (8th ed.) Citation

Tan, Roland, and Umi Kalsom Mohd Azuddin. Dahsyatnya Cabaran Di Pejabat. Edisi Bahasa Melayu. PTS Professional, 2012.