APA (7th ed.) Citation

Khalifa, O. O., Makhtar, M. H., & Baharom, M. S. (2004). Hearing aids system for impaired peoples.

Chicago Style (17th ed.) Citation

Khalifa, Othman Omran, M. H. Makhtar, and M. S. Baharom. Hearing Aids System for Impaired Peoples. 2004.

MLA (8th ed.) Citation

Khalifa, Othman Omran, et al. Hearing Aids System for Impaired Peoples. 2004.