Dyfyniad APA

Naff, C. F., & 651863, G. G. (2011). Influenza. Farmington Hills, Michigan : Greenhaven Press.

Dyfyniad Arddull Chicago

Naff, Clay Farris, and Gale Group 651863. Influenza. Farmington Hills, Michigan : Greenhaven Press, 2011.

Dyfyniad MLA

Naff, Clay Farris, and Gale Group 651863. Influenza. Farmington Hills, Michigan : Greenhaven Press, 2011.

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