Gaya APA
Ulmer, Robert r, Sellnoe, Timothy l. (2015).
effective crisis communication : Moving from crisis to opportunity (3 ed).
Amerika:
Sage Publications.
Gaya Chicago
Ulmer, Robert r, Sellnoe, Timothy l.
effective crisis communication : Moving from crisis to opportunity.
3 ed
Amerika:
Sage Publications,
2015.
Buku.
Gaya MLA
Ulmer, Robert r, Sellnoe, Timothy l.
effective crisis communication : Moving from crisis to opportunity.
3 ed
Amerika:
Sage Publications,
2015.
Buku.
Gaya Turabian
Ulmer, Robert r, Sellnoe, Timothy l.
effective crisis communication : Moving from crisis to opportunity.
3 ed
Amerika:
Sage Publications,
2015.
Buku.