Lua APA (7ú heag.)
ebrary, Inc, & Foster, S. C. (1998). Hans Richter: Activism, modernism, and the avant-garde. MIT Press.
Lua i Stíl Chicago (17ú heag.)
ebrary, Inc, agus Stephen C. Foster. Hans Richter: Activism, Modernism, and the Avant-garde. Cambridge, MA: MIT Press, 1998.
Lua MLA (9ú heag.)
ebrary, Inc, agus Stephen C. Foster. Hans Richter: Activism, Modernism, and the Avant-garde. MIT Press, 1998.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.