Dyfyniad APA

Opie, R. (1997). The 1930s scrapbook. New Cavendish Books.

Dyfyniad Arddull Chicago

Opie, Robert. The 1930s Scrapbook. London: New Cavendish Books, 1997.

Dyfyniad MLA

Opie, Robert. The 1930s Scrapbook. New Cavendish Books, 1997.

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