Gaya APA
OHasir, Dan. (1997).
Competent Communication. (2nd.Ed.).
:
.
Gaya Chicago
OHasir, Dan.
Competent Communication..
2nd.Ed.
:
,
1997.
BUKU.
Gaya MLA
OHasir, Dan.
Competent Communication..
2nd.Ed.
:
,
1997.
BUKU.
Gaya Turabian
OHasir, Dan.
Competent Communication..
2nd.Ed.
:
,
1997.
BUKU.