Gaya APA

Singapore, C, D, I, O. (1992). Chinese Language Instructional Materials for Primary Schools: Workbook 4 B (3rd ed). Singapore: EPB.

Gaya MLA

Singapore, Curriculum, Development, Institute, Of. "Chinese Language Instructional Materials for Primary Schools: Workbook 4 B". 3rd ed Singapore: EPB, 1992. Text.