Gaya APA

Mackey, D. (2006). Send me an update: a step-by-step approach to business and professional writing (Ed.1). Singapura: KPG (Kepustakaan Populer Gramedia).

Gaya MLA

Mackey, Daphne. "Send me an update: a step-by-step approach to business and professional writing". Ed.1 Singapura: KPG (Kepustakaan Populer Gramedia), 2006. Textbook.