Gaya APA

Aik, K, C., Hui, K, K. (1992). Longman dictionary of grammar and usage (Ed. 2). Singapore: Addison Wesley Longman.

Gaya MLA

Aik, Kam, Chuan., Hui, Kam, Kai. "Longman dictionary of grammar and usage". Ed. 2 Singapore: Addison Wesley Longman, 1992. Text.