Gaya APA
DRINKING WATER QUALITY. (1997).
CANADA:
JOHN DEZUANE.
Gaya Chicago
DRINKING WATER QUALITY.
.
CANADA:
JOHN DEZUANE,
1997.
Text.
Gaya MLA
DRINKING WATER QUALITY.
.
CANADA:
JOHN DEZUANE,
1997.
Text.
Gaya Turabian
DRINKING WATER QUALITY.
CANADA:
JOHN DEZUANE,
1997.
Print.