APA (7th ed.) Citation

S.C Ong. (2007). Guide to english usage. Ilmu Media.

Chicago Style (17th ed.) Citation

S.C Ong. Guide to English Usage. Selangor: Ilmu Media, 2007.

MLA (9th ed.) Citation

S.C Ong. Guide to English Usage. Ilmu Media, 2007.

Warning: These citations may not always be 100% accurate.