Gaya APA
PIDD, MICHAEL. (2004).
SYSTEMS MODELLING .
ENGLAND:
JOHN WILLEY.
Gaya Chicago
PIDD, MICHAEL.
SYSTEMS MODELLING.
ENGLAND:
JOHN WILLEY,
2004.
Text.
Gaya MLA
PIDD, MICHAEL.
SYSTEMS MODELLING.
ENGLAND:
JOHN WILLEY,
2004.
Text.
Gaya Turabian
PIDD, MICHAEL.
SYSTEMS MODELLING.
ENGLAND:
JOHN WILLEY,
2004.
Print.