Dyfyniad APA

Guevara-Castillo, M. (2009). Political and public opinion information on the press. Universidad Autónoma de Tamaulipas.

Dyfyniad Arddull Chicago

Guevara-Castillo, Melitón. Political and Public Opinion Information on the Press. Universidad Autónoma de Tamaulipas, 2009.

Dyfyniad MLA

Guevara-Castillo, Melitón. Political and Public Opinion Information on the Press. Universidad Autónoma de Tamaulipas, 2009.

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