Gaya APA
Ashley, A. (1989).
Basic commercial English .
Jakarta:
Binapura Aksara.
Gaya Chicago
Ashley, A.
Basic commercial English.
Jakarta:
Binapura Aksara,
1989.
Buku.
Gaya MLA
Ashley, A.
Basic commercial English.
Jakarta:
Binapura Aksara,
1989.
Buku.
Gaya Turabian
Ashley, A.
Basic commercial English.
Jakarta:
Binapura Aksara,
1989.
Buku.