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. Buku Pend. Bahasa Inggris.