Gaya APA
Meadows, H. Donella. (2009).
Thingking in Systems: A Primer .
London:
Earthscan.
Gaya Chicago
Meadows, H. Donella.
Thingking in Systems: A Primer.
London:
Earthscan,
2009.
Text.
Gaya MLA
Meadows, H. Donella.
Thingking in Systems: A Primer.
London:
Earthscan,
2009.
Text.
Gaya Turabian
Meadows, H. Donella.
Thingking in Systems: A Primer.
London:
Earthscan,
2009.
Print.