Gaya APA
Sulaiman, H, H. (1999).
Basic grammar of english : the classes of words / H. Hanafie Sulaiman (Ed.ke-1, Cet.1).
Palu:
Yamiba.
Gaya MLA
Sulaiman, H,, Hanafie.
"Basic grammar of english : the classes of words / H. Hanafie Sulaiman".
Ed.ke-1, Cet.1
Palu:
Yamiba,
1999.
Skripsi.