Annalee Yassi. (2001). Basic environmental health. Oxford,New York: Oxford University Press.
Dyfyniad Arddull ChicagoAnnalee Yassi. Basic Environmental Health. Oxford,New York: Oxford University Press, 2001.
Dyfyniad MLAAnnalee Yassi. Basic Environmental Health. Oxford,New York: Oxford University Press, 2001.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.