Gaya APA
Hartanto, J, S. et al
(2003).
Accurate, Brief, And Clear English Grammar
.
Surabaya:
Penerbit Indah.
Gaya MLA
Hartanto, John, S.. et al.
"Accurate, Brief, And Clear English Grammar".
Surabaya:
Penerbit Indah,
2003.
Text.