Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (8th ed.)

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