Gaya APA
Hartanto,John. (2003).
Accurate,Brief and Clear english grammar : John Hartanto .
Surabaya:
Indah surabaya.
Gaya Chicago
Hartanto,John.
Accurate,Brief and Clear english grammar : John Hartanto.
Surabaya:
Indah surabaya,
2003.
Textbook.
Gaya MLA
Hartanto,John.
Accurate,Brief and Clear english grammar : John Hartanto.
Surabaya:
Indah surabaya,
2003.
Textbook.
Gaya Turabian
Hartanto,John.
Accurate,Brief and Clear english grammar : John Hartanto.
Surabaya:
Indah surabaya,
2003.
Textbook.