APA (7th ed.) Citation

Mohd Daud, R., Hassan, B., & Abu Bakar, A. B. (2011). Level of digital reference services offered. IIUM Press.

Chicago Style (17th ed.) Citation

Mohd Daud, Rasyidah, Basri Hassan, and Ahmad Bakeri Abu Bakar. Level of Digital Reference Services Offered. IIUM Press, 2011.

MLA (8th ed.) Citation

Mohd Daud, Rasyidah, et al. Level of Digital Reference Services Offered. IIUM Press, 2011.