Gaya APA
Leger, B.. (1995).
Chronic pollution and water treatment .
:
Piarc.
Gaya Chicago
Leger, B..
Chronic pollution and water treatment.
:
Piarc,
1995.
Computer Software.
Gaya MLA
Leger, B..
Chronic pollution and water treatment.
:
Piarc,
1995.
Computer Software.
Gaya Turabian
Leger, B..
Chronic pollution and water treatment.
:
Piarc,
1995.
Computer Software.