APA Style

Har, D, Y, B. (2021). Think! MATHEMATICS New Syllabus Mathematics 8th Edition Textbook Secondary 2A (8). Singapore: SL. Education.

MLA Style

Har, Dr, Yeap, Ban. "Think! MATHEMATICS New Syllabus Mathematics 8th Edition Textbook Secondary 2A". 8 Singapore: SL. Education, 2021. Text.