Gaya APA
Whitehead, Geoffrey, Whitehead, David H. (1989).
Pitman business correspondence .
Jakarta:
Binarupa Aksara.
Gaya Chicago
Whitehead, Geoffrey, Whitehead, David H.
Pitman business correspondence.
Jakarta:
Binarupa Aksara,
1989.
Buku.
Gaya MLA
Whitehead, Geoffrey, Whitehead, David H.
Pitman business correspondence.
Jakarta:
Binarupa Aksara,
1989.
Buku.
Gaya Turabian
Whitehead, Geoffrey, Whitehead, David H.
Pitman business correspondence.
Jakarta:
Binarupa Aksara,
1989.
Buku.