Rujukan Plaster

  1. ↑ Plaster. In: Weyer, Angela; Roig Picazo, Pilar; Pop, Daniel; Cassar, JoAnn; Özköse, Aysun; Vallet, Jean-Marc; Srša, Ivan, para penyunting (2015). EwaGlos. European Illustrated Glossary Of Conservation Terms For Wall Paintings And Architectural Surfaces. English Definitions with translations into Bulgarian, Croatian, French, German, Hungarian, Italian, Polish, Romanian, Spanish and Turkish. Petersberg: Michael Imhof. m/s. 50. 
  2. ↑ Franz Wirsching "Calcium Sulfate" in Ullmann's Encyclopedia of Industrial Chemistry, 2012 Wiley-VCH, Weinheim. DOI:10.1002/14356007.a04_555