APA Style
Williams, Phil. (1980).
Crisis management .
New Jersey:
John Wiley & Sons.
Chicago Style
Williams, Phil.
Crisis management.
New Jersey:
John Wiley & Sons,
1980.
Buku Teks.
MLA Style
Williams, Phil.
Crisis management.
New Jersey:
John Wiley & Sons,
1980.
Buku Teks.
Turabian Style
Williams, Phil.
Crisis management.
New Jersey:
John Wiley & Sons,
1980.
Buku Teks.