एपीए उद्धरण

McWhirr, A. (1979). Roman brick and tile. BAR. International series 68.

शिकागो स्टाइल उद्धरण

McWhirr, Alan. "Roman Brick and Tile." BAR. International Series 68 1979.

एमएलए उद्धरण

McWhirr, Alan. "Roman Brick and Tile." BAR. International Series 68 1979.