Turner, J. H. (1981). Sociology: Studying the human system (2nd ed.). Goodyear Pub.
Dyfyniad Arddull ChicagoTurner, Jonathan H. Sociology: Studying the Human System. 2nd ed. Santa Monica, Calif: Goodyear Pub, 1981.
Dyfyniad MLATurner, Jonathan H. Sociology: Studying the Human System. 2nd ed. Goodyear Pub, 1981.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.