APA

Birdie (G.S); Birdie (J.S), . (1998). Water Supply And Sanitry Engineering - Including Environmental Engineering And Pollution Control Acts. : .

Chicago

Birdie (G.S); Birdie (J.S), . 1998. Water Supply And Sanitry Engineering - Including Environmental Engineering And Pollution Control Acts. : .

Harvard

Birdie (G.S); Birdie (J.S), . (1998). Water Supply And Sanitry Engineering - Including Environmental Engineering And Pollution Control Acts. : .

MLA

Birdie (G.S); Birdie (J.S), . Water Supply And Sanitry Engineering - Including Environmental Engineering And Pollution Control Acts. : . 1998.