APA (7th ed.) Citation

Ahmad Noordin, N. F. H., Ab Rahman, N. N., & Othman, S. A. (2020). Safety helmet. Penerbit UTHM.

Chicago Style (17th ed.) Citation

Ahmad Noordin, Noor Farah Hanis, Nur Najihah Ab Rahman, and Siti Amira Othman. Safety Helmet. Penerbit UTHM, 2020.

MLA (9th ed.) Citation

Ahmad Noordin, Noor Farah Hanis, et al. Safety Helmet. Penerbit UTHM, 2020.