Gaya APA

Hariyanto, D., Hariyono, R. (2003). English Grammar for General Application / Rudy Hariyono (Cet. 1). Surabaya: Gitamedia Press.

Gaya MLA

Hariyanto, Dony., Hariyono, Rudy. "English Grammar for General Application / Rudy Hariyono". Cet. 1 Surabaya: Gitamedia Press, 2003. Text.