Pendergrast, M. (1999). Uncommon grounds: The history of coffee and how it transformed our world. New York: Basic Books.
Dyfyniad Arddull ChicagoPendergrast, Mark. Uncommon Grounds: The History of Coffee and How It Transformed Our World. New York: Basic Books, 1999.
Dyfyniad MLAPendergrast, Mark. Uncommon Grounds: The History of Coffee and How It Transformed Our World. New York: Basic Books, 1999.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.