APA (7th ed.) Citation

Sahari @ Ashaari, N., Mohamad Judi, H., Abd Ghani, A. A., Selamat, M. H., & Md. Yunus, A. S. (2009). Construction and selection of usefulness evaluation items. North Atlantic Univeristy Union.

Chicago Style (17th ed.) Citation

Sahari @ Ashaari, Noraidah, Hairulliza Mohamad Judi, Abdul Azim Abd Ghani, Mohd Hasan Selamat, and Aida Suraya Md. Yunus. Construction and Selection of Usefulness Evaluation Items. North Atlantic Univeristy Union, 2009.

MLA (9th ed.) Citation

Sahari @ Ashaari, Noraidah, et al. Construction and Selection of Usefulness Evaluation Items. North Atlantic Univeristy Union, 2009.