J.J.Roberts. (1983). Concrete masonry Designer's handbook. View Point Pub.
Chicago Style citaatJ.J.Roberts. Concrete Masonry Designer's Handbook. Surrey: View Point Pub, 1983.
MLA citatieJ.J.Roberts. Concrete Masonry Designer's Handbook. View Point Pub, 1983.
Let op: Deze citaties zijn niet altijd 100% accuraat.