Eckholm, E. P. (1977). The picture of health: Environmental sources of disease (First edition.). Norton.
Chicago-Zitierstil (17. Ausg.)Eckholm, Erik P. The Picture of Health: Environmental Sources of Disease. First edition. New York: Norton, 1977.
MLA-Zitierstil (8. Ausg.)Eckholm, Erik P. The Picture of Health: Environmental Sources of Disease. First edition. Norton, 1977.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.