Evans, M. (2021). Soil: The incredible story of what keeps the earth, and us, healthy. Murdoch Books.
Chicago-referens (17:e uppl.)Evans, Matthew. Soil: The Incredible Story of What Keeps the Earth, and Us, Healthy. Crows Nest, N.S.W., London: Murdoch Books, 2021.
MLA-referens (9:e uppl.)Evans, Matthew. Soil: The Incredible Story of What Keeps the Earth, and Us, Healthy. Murdoch Books, 2021.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.