Jensen, R. (1978). Party coalitions in America: 1820's to 1970's. Notre Dame, Ind..
Dyfyniad Arddull ChicagoJensen, Richard. Party Coalitions in America: 1820's to 1970's. Notre Dame, Ind., 1978.
Dyfyniad MLAJensen, Richard. Party Coalitions in America: 1820's to 1970's. Notre Dame, Ind., 1978.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.