Cofnodi Dyfyniadau

Dyfyniad APA
ebrary, Inc, & McCally, M. (2002). Life support: The environment and human health. MIT Press.
Dyfyniad Arddull Chicago
ebrary, Inc, and Michael McCally. Life Support: The Environment and Human Health. Cambridge, Mass.: MIT Press, 2002.
Dyfyniad MLA
ebrary, Inc, and Michael McCally. Life Support: The Environment and Human Health. MIT Press, 2002.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.