Friis Robert H. (2019). Essentials of Environmental Health: Essential Public Health (2nd ed.). Jones & Bartlett Learning.
Цитирование в стиле Чикаго (17-е изд.)Friis Robert H. Essentials of Environmental Health: Essential Public Health. 2nd ed. Massachusetts: Jones & Bartlett Learning, 2019.
Цитирование MLA (9-е изд.)Friis Robert H. Essentials of Environmental Health: Essential Public Health. 2nd ed. Jones & Bartlett Learning, 2019.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.