Sing, S. G. a. K. Adsorption, surface area and porocity. Academic Press.
Lua i Stíl Chicago (17ú heag.)Sing, S.J. Gregg and K.S.W. Adsorption, Surface Area and Porocity. Academic Press.
Lua MLA (8ú heag.)Sing, S.J. Gregg and K.S.W. Adsorption, Surface Area and Porocity. Academic Press.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.