Gaya APA
Williams, Paul T.. (2005).
Waste treatment and disposal (2nd ed.).
West Sussex, England:
John Wiley.
Gaya Chicago
Williams, Paul T..
Waste treatment and disposal.
2nd ed.
West Sussex, England:
John Wiley,
2005.
Text.
Gaya MLA
Williams, Paul T..
Waste treatment and disposal.
2nd ed.
West Sussex, England:
John Wiley,
2005.
Text.
Gaya Turabian
Williams, Paul T..
Waste treatment and disposal.
2nd ed.
West Sussex, England:
John Wiley,
2005.
Print.