GRAFF JOHN DE. (2001). AFFLUENZA: THE ALL-CONSUMING EPIDEMIC. BERRETT-KOEHLER PUBLISHERS.
Dyfyniad Arddull ChicagoGRAFF JOHN DE. AFFLUENZA: THE ALL-CONSUMING EPIDEMIC. SAN FRANCISCO: BERRETT-KOEHLER PUBLISHERS, 2001.
Dyfyniad MLAGRAFF JOHN DE. AFFLUENZA: THE ALL-CONSUMING EPIDEMIC. BERRETT-KOEHLER PUBLISHERS, 2001.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.