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