Gaya APA

DONY, H., RUDY, H. (2003). English Grammar for General Application (Cet. 1). Surabaya: Gitamedia Press.

Gaya MLA

DONY, Hariyanto., RUDY, Hariyono. "English Grammar for General Application". Cet. 1 Surabaya: Gitamedia Press, 2003. Text.