Gaya APA

Greenberg, A, E., Clesceri, L, S. (1992). Standard methods for the examination of water and wastewater (1992). : USA: Ameican Public Health Ass.,.

Gaya MLA

Greenberg, Arnold, E., Clesceri, Lenore, S. "Standard methods for the examination of water and wastewater". 1992 : USA: Ameican Public Health Ass.,, 1992. Text.