Gaya APA
Kon, T.S. (1991).
Practical English Usage 4 : English as a second Language / T.S Kon .
Jakarta:
Bina Aksara.
Gaya Chicago
Kon, T.S.
Practical English Usage 4 : English as a second Language / T.S Kon.
Jakarta:
Bina Aksara,
1991.
Buku.
Gaya MLA
Kon, T.S.
Practical English Usage 4 : English as a second Language / T.S Kon.
Jakarta:
Bina Aksara,
1991.
Buku.
Gaya Turabian
Kon, T.S.
Practical English Usage 4 : English as a second Language / T.S Kon.
Jakarta:
Bina Aksara,
1991.
Buku.