Dyfyniad APA

San Diego, R. (1991). Walking into the valley of desolation. U.P. Newsletter.

Dyfyniad Arddull Chicago

San Diego, Rod. "Walking into the Valley of Desolation." U.P. Newsletter 1991.

Dyfyniad MLA

San Diego, Rod. "Walking into the Valley of Desolation." U.P. Newsletter, 1991.

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