Gaya APA
WILSON, BRIAN. (2001).
SOFT SYSTEMS METHODOLOGY .
UK:
JOHN WILLEY.
Gaya Chicago
WILSON, BRIAN.
SOFT SYSTEMS METHODOLOGY.
UK:
JOHN WILLEY,
2001.
Text.
Gaya MLA
WILSON, BRIAN.
SOFT SYSTEMS METHODOLOGY.
UK:
JOHN WILLEY,
2001.
Text.
Gaya Turabian
WILSON, BRIAN.
SOFT SYSTEMS METHODOLOGY.
UK:
JOHN WILLEY,
2001.
Print.