Gaya APA
Downs, Lisa J.. (2008).
Negotiating Skills Training .
Virginia:
ASTD Press.
Gaya Chicago
Downs, Lisa J..
Negotiating Skills Training.
Virginia:
ASTD Press,
2008.
Buku.
Gaya MLA
Downs, Lisa J..
Negotiating Skills Training.
Virginia:
ASTD Press,
2008.
Buku.
Gaya Turabian
Downs, Lisa J..
Negotiating Skills Training.
Virginia:
ASTD Press,
2008.
Buku.