Gaya APA
Swan, Michael. (1980).
Practical English Usage .
New York:
Oxford University Press.
Gaya Chicago
Swan, Michael.
Practical English Usage.
New York:
Oxford University Press,
1980.
Text.
Gaya MLA
Swan, Michael.
Practical English Usage.
New York:
Oxford University Press,
1980.
Text.
Gaya Turabian
Swan, Michael.
Practical English Usage.
New York:
Oxford University Press,
1980.
Print.