APA ציטוט

Lester, J. N. (1987). Heavy Metals in Waste Water and Sludge Treatment Process. CRC.

Chicago Edition Citation

Lester, John. N. Heavy Metals in Waste Water and Sludge Treatment Process. Florida: CRC, 1987.

ציטוט MLA

Lester, John. N. Heavy Metals in Waste Water and Sludge Treatment Process. CRC, 1987.