APA (7th ed.) Citation

Iskandar Ab Rashid & Zaitun Ismail. (2007). Office excel 2007 langkah-demi-langkah. Venton Publising.

Chicago Style (17th ed.) Citation

Iskandar Ab Rashid and Zaitun Ismail. Office Excel 2007 Langkah-demi-langkah. Batu Caves, Selangor: Venton Publising, 2007.

MLA (8th ed.) Citation

Iskandar Ab Rashid and Zaitun Ismail. Office Excel 2007 Langkah-demi-langkah. Venton Publising, 2007.