Gaya APA
Murphy, Raymond. (1990).
Essential grammer in use .
New York:
.
Gaya Chicago
Murphy, Raymond.
Essential grammer in use.
New York:
,
1990.
Buku.
Gaya MLA
Murphy, Raymond.
Essential grammer in use.
New York:
,
1990.
Buku.
Gaya Turabian
Murphy, Raymond.
Essential grammer in use.
New York:
,
1990.
Buku.