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.