Gaya APA
Alexander, L.G.. (1989).
Essay and letter writing / L.G. Alexander .
:
Essex : Longman.
Gaya Chicago
Alexander, L.G..
Essay and letter writing / L.G. Alexander.
:
Essex : Longman,
1989.
Buku.
Gaya MLA
Alexander, L.G..
Essay and letter writing / L.G. Alexander.
:
Essex : Longman,
1989.
Buku.
Gaya Turabian
Alexander, L.G..
Essay and letter writing / L.G. Alexander.
:
Essex : Longman,
1989.
Buku.