Redfield , R. (1953). Primitive world and its transformations. Cornell University press.
Dyfyniad Arddull ChicagoRedfield , Robert. Primitive World and Its Transformations. Newyork: Cornell University press, 1953.
Dyfyniad MLARedfield , Robert. Primitive World and Its Transformations. Cornell University press, 1953.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.