Gaya APA
kriyantono., R. (2018).
public relations, issue and crisis management (ed. ke-1; cet. ke-2).
jakarta:
kencana prenadamedia group.
Gaya MLA
kriyantono., Rachmat.
"public relations, issue and crisis management".
ed. ke-1; cet. ke-2
jakarta:
kencana prenadamedia group,
2018.
Text.