Gaya APA
Dumont, Raymond A, Lannon, John M. (1985).
Business communications .
Boston:
Little Brown.
Gaya Chicago
Dumont, Raymond A, Lannon, John M.
Business communications.
Boston:
Little Brown,
1985.
BUKU.
Gaya MLA
Dumont, Raymond A, Lannon, John M.
Business communications.
Boston:
Little Brown,
1985.
BUKU.
Gaya Turabian
Dumont, Raymond A, Lannon, John M.
Business communications.
Boston:
Little Brown,
1985.
BUKU.