APA (7th ed.) Citation

Teh, K. S., & Looi, C. K. (1992). New syllabus mathematics workbook 1. Shing Lee Publishers.

Chicago Style (17th ed.) Citation

Teh, Keng Seng, and Chin Keong Looi. New Syllabus Mathematics Workbook 1. Singapore: Shing Lee Publishers, 1992.

MLA (8th ed.) Citation

Teh, Keng Seng, and Chin Keong Looi. New Syllabus Mathematics Workbook 1. Shing Lee Publishers, 1992.

Warning: These citations may not always be 100% accurate.