Gaya APA

Hui, K, C, A, &, K, K. (1997). Longman: Dictionary of Grammar and Usage (1). Singapore: Longman Singapore.

Gaya MLA

Hui, Kam, Chuan, Aik, &, Kam, Kai. "Longman: Dictionary of Grammar and Usage". 1 Singapore: Longman Singapore, 1997. Text.