Steiner, F. R. (2016). Human ecology: How nature and culture shape our world. Island Press.
Chicago-viite (17. p.)Steiner, Frederick R. Human Ecology: How Nature and Culture Shape Our World. Washington [District of Columbia]: Island Press, 2016.
MLA-viite (9. p.)Steiner, Frederick R. Human Ecology: How Nature and Culture Shape Our World. Island Press, 2016.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.