Gaya APA

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

Gaya MLA

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