Gaya APA
Rudy, H., Andrew, M., C. (2008).
ABC (Accurate, Bright, Clear) English grammar (Cet.1).
Surabaya:
Gitamedia Press.
Gaya MLA
Hariyono, Rudy., Andrew, Mc., Carthy,.
"ABC (Accurate, Bright, Clear) English grammar".
Cet.1
Surabaya:
Gitamedia Press,
2008.
Textbook.