Gaya APA
Hariyono, R., Hariyanto, D. (20,022,003).
Special English grammar / Dany Hariyanto, Rudi Hariyono (Cet.1,3).
Surabaya:
Putra Pelajar.
Gaya MLA
Hariyono, Rudi., Hariyanto, Dany.
"Special English grammar / Dany Hariyanto, Rudi Hariyono".
Cet.1,3
Surabaya:
Putra Pelajar,
20,022,003.
Textbook.