एपीए उद्धरण

J.J.Roberts. (1983). Concrete masonry Designer's handbook. View Point Pub.

शिकागो स्टाइल उद्धरण

J.J.Roberts. Concrete Masonry Designer's Handbook. Surrey: View Point Pub, 1983.

एमएलए उद्धरण

J.J.Roberts. Concrete Masonry Designer's Handbook. View Point Pub, 1983.