↑Curl, James Stevens (2006). Oxford Dictionary of Architecture and Landscape Architecture, 2nd ed., OUP, Oxford and New York, p. 442. ISBN978-0-19-860678-9.
↑Mulder, Koen (2016). Het Zinderend Oppervlak[The Thrilling Surface] (em neerlandês) 2nd ed. [S.l.: s.n.] (publicado em janeiro de 2016). p.157. ISBN978-90-824668-0-5