(1987). V5: Proceedings of the Fifth National Symposium on Individual and Small Community Sewage Systems. Illinois United Educators.
Chicago Style citaatV5: Proceedings of the Fifth National Symposium on Individual and Small Community Sewage Systems. Chicago: Illinois United Educators, 1987.
MLA citatieV5: Proceedings of the Fifth National Symposium on Individual and Small Community Sewage Systems. Illinois United Educators, 1987.
Let op: Deze citaties zijn niet altijd 100% accuraat.