Penggayaan APA
RINGLAND, Gill. (1998).
Scenario planning: .
New York:
John Wiley & Sons.
Chicago Style
RINGLAND, Gill.
Scenario planning:.
New York:
John Wiley & Sons,
1998.
Buku.
MLA Style
RINGLAND, Gill.
Scenario planning:.
New York:
John Wiley & Sons,
1998.
Buku.
Turabian Style
RINGLAND, Gill.
Scenario planning:.
New York:
John Wiley & Sons,
1998.
Buku.