Gaya APA

Lingga, H, D., Djalal, H. (2006). Advanced english grammar for toefl preparation (Cet.1). Jakarta: Puspa Swara.

Gaya MLA

Lingga, Hotben, D.., Djalal, Hasjim. "Advanced english grammar for toefl preparation". Cet.1 Jakarta: Puspa Swara, 2006. Text.