APA Style

Loong, S, Y. (2017). Singapore Tax Workbook 2017/2018 (20th Edition) (20th). [Singapore]: CCH Asia Pte Limited.

MLA Style

Loong, Sum, Yee. "Singapore Tax Workbook 2017/2018 (20th Edition)". 20th [Singapore]: CCH Asia Pte Limited, 2017. Koleksi Buku Teks.