Dyfyniad APA

Zeheter. Epidemics, Empire, and Environments. University of Pittsburgh Press.

Dyfyniad Arddull Chicago

Zeheter. Epidemics, Empire, and Environments. University of Pittsburgh Press.

Dyfyniad MLA

Zeheter. Epidemics, Empire, and Environments. University of Pittsburgh Press.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.