Cita APA

Friis, R. H. (2012). Essentials of environmental health (2nd ed.). Jones & Bartlett learning.

Citación estilo Chicago

Friis, Robert H. Essentials of Environmental Health. 2nd ed. Burlington: Jones & Bartlett learning, 2012.

Cita MLA

Friis, Robert H. Essentials of Environmental Health. 2nd ed. Jones & Bartlett learning, 2012.

Warning: These citations may not always be 100% accurate.