APA Style

Ng, Y, Y. (2015). MUSIC THEORY for Young Musicians Grade 1 : Study Notes with Exercises for ABRSM Theory Exams (2nd Ed.). Selangor: Poco Studio.

MLA Style

Ng, Ying, Ying. "MUSIC THEORY for Young Musicians Grade 1 : Study Notes with Exercises for ABRSM Theory Exams". 2nd Ed. Selangor: Poco Studio, 2015. Text.