Gaya APA
Fowler, W.S. (1980).
Proficiency English : Teacher's Book 4 .
:
Nelson.
Gaya Chicago
Fowler, W.S.
Proficiency English : Teacher's Book 4.
:
Nelson,
1980.
Text.
Gaya MLA
Fowler, W.S.
Proficiency English : Teacher's Book 4.
:
Nelson,
1980.
Text.
Gaya Turabian
Fowler, W.S.
Proficiency English : Teacher's Book 4.
:
Nelson,
1980.
Print.