Gaya APA
Swan, Michael. (1980).
Practical English usage (cet.1).
New York:
Oxford Univ..
Gaya Chicago
Swan, Michael.
Practical English usage.
cet.1
New York:
Oxford Univ.,
1980.
Buku.
Gaya MLA
Swan, Michael.
Practical English usage.
cet.1
New York:
Oxford Univ.,
1980.
Buku.
Gaya Turabian
Swan, Michael.
Practical English usage.
cet.1
New York:
Oxford Univ.,
1980.
Buku.