Waste Management Conference Perth), Australian Institute of Health Surveyors. Western Australian Division, & Institution of Engineers, Australia. Western Australia Division. (1977). Conference Waste Management, Perth, W.A., July 1977. W.A. Divisions, Institution of Engineers, Australia [and] Australian Institute of Health Surveyors.
Παραπομπή σε μορφή Chicago (17η εκδ.)Waste Management Conference Perth), Australian Institute of Health Surveyors. Western Australian Division, και Australia. Western Australia Division Institution of Engineers. Conference Waste Management, Perth, W.A., July 1977. Perth: W.A. Divisions, Institution of Engineers, Australia [and] Australian Institute of Health Surveyors, 1977.
Παραπομπή σε μορφή MLA (8th εκδ.)Waste Management Conference Perth), et al. Conference Waste Management, Perth, W.A., July 1977. W.A. Divisions, Institution of Engineers, Australia [and] Australian Institute of Health Surveyors, 1977.