APA Style

Chang, L, W. (2020). Learn Mandarin Chinese for beginners : a step-by-step guide and workbook to practice and master the Chinese language quickly and easily while having fun . United States: Independently published.

MLA Style

Chang, Leo, W.. "Learn Mandarin Chinese for beginners : a step-by-step guide and workbook to practice and master the Chinese language quickly and easily while having fun". United States: Independently published, 2020. Text.