Dyfyniad APA

Barna, G. (1992). The Barna report 1992-93: An annual survey of ... Regal books.

Dyfyniad Arddull Chicago

Barna, George. The Barna Report 1992-93: An Annual Survey of ... Ventura: Regal books, 1992.

Dyfyniad MLA

Barna, George. The Barna Report 1992-93: An Annual Survey of ... Regal books, 1992.

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