Cita APA

Friis, R. H. (2007). Essentials of environmental health. Jones and Barlett Pub.

Citación estilo Chicago

Friis, Robert H. Essentials of Environmental Health. Sudbury, MA: Jones and Barlett Pub, 2007.

Cita MLA

Friis, Robert H. Essentials of Environmental Health. Jones and Barlett Pub, 2007.

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