Gaya APA
English 900 : book six /. (1970).
:
Macmillan.
Gaya Chicago
English 900 : book six /.
Cet.6.
:
Macmillan,
1970.
Textbook.
Gaya MLA
English 900 : book six /.
Cet.6.
:
Macmillan,
1970.
Textbook.
Gaya Turabian
English 900 : book six /.
:
Macmillan,
1970.
Textbook.