APA (7th ed.) Citation

S. C. Ong. (2007). Guide To English Usage: Exwecises For Intensive Practices Writing Skills & Grammar Practices Vocabulary Questions Answers Provided. Ilmu Media Trade.

Chicago Style (17th ed.) Citation

S. C. Ong. Guide To English Usage: Exwecises For Intensive Practices Writing Skills & Grammar Practices Vocabulary Questions Answers Provided. Selangor: Ilmu Media Trade, 2007.

MLA (9th ed.) Citation

S. C. Ong. Guide To English Usage: Exwecises For Intensive Practices Writing Skills & Grammar Practices Vocabulary Questions Answers Provided. Ilmu Media Trade, 2007.