Gaya APA
MS.., D, B, S., M.M., A, R, S. (2002).
Seven Step: How to Mastery the English (Edisi 1).
Yogyakarta:
Dua Dunia.
Gaya MLA
MS.., Dr., Bustami, Subhan,., M.M., Abdul, Rosyid,, Sag.,.
"Seven Step: How to Mastery the English".
Edisi 1
Yogyakarta:
Dua Dunia,
2002.
Text.