APA Style
Ban, H, C. et al (2020).
Music Theory for Young Musicians Grade 4 Third Edition (New Syllabus) (3rd edition).
Malaysia:
Pocostudio.
MLA Style
Ban, Heng, Choy. et al.
"Music Theory for Young Musicians Grade 4 Third Edition (New Syllabus)".
3rd edition
Malaysia:
Pocostudio,
2020.
Textbook.