Παραπομπή APA

Porteous, A. (1979). Developments in environmental control and public health-1. Applied Science Publishers.

Παραπομπή Chicago Style

Porteous, Andrew. Developments in Environmental Control and Public Health-1. London: Applied Science Publishers, 1979.

Παραπομπή MLA

Porteous, Andrew. Developments in Environmental Control and Public Health-1. Applied Science Publishers, 1979.