APA (7th ed.) Citation

Nicholas & Wangel. (1991). Safety at work in Malaysia. Institut Pengajian Tinggi.

Chicago Style (17th ed.) Citation

Nicholas and Wangel. Safety at Work in Malaysia. Kuala Lumpur: Institut Pengajian Tinggi, 1991.

MLA (8th ed.) Citation

Nicholas and Wangel. Safety at Work in Malaysia. Institut Pengajian Tinggi, 1991.