Gaya APA
Research methods in English. (2007).
New England:
[s.n.].
Gaya Chicago
Research methods in English.
Cet.2.
New England:
[s.n.],
2007.
Text.
Gaya MLA
Research methods in English.
Cet.2.
New England:
[s.n.],
2007.
Text.
Gaya Turabian
Research methods in English.
New England:
[s.n.],
2007.
Print.