Gaya APA
VAN, Gigch P John. ().
Applied General Systems Theory Second Edition .
London:
Harper &.
Gaya Chicago
VAN, Gigch P John.
Applied General Systems Theory Second Edition.
London:
Harper &,
.
Text.
Gaya MLA
VAN, Gigch P John.
Applied General Systems Theory Second Edition.
London:
Harper &,
.
Text.
Gaya Turabian
VAN, Gigch P John.
Applied General Systems Theory Second Edition.
London:
Harper &,
.
Print.