Walsh, B. Heroes of the environment: Our annual guide to the men and women who are working to help the planet.
Citazione stile Chigago Style (17a edizione)Walsh, Bryan. Heroes of the Environment: Our Annual Guide to the Men and Women Who Are Working to Help the Planet.
Citatione MLA (9a ed.)Walsh, Bryan. Heroes of the Environment: Our Annual Guide to the Men and Women Who Are Working to Help the Planet.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.