Dyfyniad APA

Caldwell, J. G. (2012). Can America Survive? Vista Research.

Dyfyniad Arddull Chicago

Caldwell, Joseph George. Can America Survive? Vista Research, 2012.

Dyfyniad MLA

Caldwell, Joseph George. Can America Survive? Vista Research, 2012.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.