Gaya APA

Haryanto, D., Hariyono, D, R. (2003). English grammar for general application (Cet.1). surabaya: Gitamedia Press.

Gaya MLA

Haryanto, Dony., Hariyono, Drs., Rudy. "English grammar for general application". Cet.1 surabaya: Gitamedia Press, 2003. Text.