APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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

Let op: Deze citaties zijn niet altijd 100% accuraat.