APA aipamena

METCALF &EDDY. (1993). WASTE WATER ENGG. TREATMENT AND DISPOSAL REUSE. TMH.

Chicago Style aipamena

METCALF &EDDY. WASTE WATER ENGG. TREATMENT AND DISPOSAL REUSE. TMH, 1993.

MLA aipamena

METCALF &EDDY. WASTE WATER ENGG. TREATMENT AND DISPOSAL REUSE. TMH, 1993.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.