APA (7th ed.) Citation

Leng, H. P., & Khang, G. N. (2003). I-Science: Workbook. SNP Panpac.

Chicago Style (17th ed.) Citation

Leng, Ho Peck, and Goh Ngoh Khang. I-Science: Workbook. Singapore: SNP Panpac, 2003.

MLA (8th ed.) Citation

Leng, Ho Peck, and Goh Ngoh Khang. I-Science: Workbook. SNP Panpac, 2003.