(2000). People Together: Adventures in time and place. New York: McGraw-Hill.
Dyfyniad Arddull ChicagoPeople Together: Adventures in Time and Place. New York: McGraw-Hill, 2000.
Dyfyniad MLAPeople Together: Adventures in Time and Place. New York: McGraw-Hill, 2000.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.