Gaya APA

Protecting public health and the environment : implementing the precautionary principle / edited by Carolyn Raffensperger and Joel A. Tickner. (1999). : Washintgon, D.C. : Island Press..

Gaya MLA

Protecting public health and the environment : implementing the precautionary principle / edited by Carolyn Raffensperger and Joel A. Tickner. . : Washintgon, D.C. : Island Press., 1999. Text.