Stewart, E. W. (1978). Sociology, the human science. McGraw-Hill.
Dyfyniad Arddull ChicagoStewart, Elbert W. Sociology, the Human Science. New York: McGraw-Hill, 1978.
Dyfyniad MLAStewart, Elbert W. Sociology, the Human Science. McGraw-Hill, 1978.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.