Norris, P., & Inglehart, R. (2011). Sacred and secular (2nd ed.). Cambridge University Press.
Dyfyniad Arddull ChicagoNorris, Pippa, and Ronald Inglehart. Sacred and Secular. 2nd ed. Cambridge: Cambridge University Press, 2011.
Dyfyniad MLANorris, Pippa, and Ronald Inglehart. Sacred and Secular. 2nd ed. Cambridge University Press, 2011.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.