Gregory, S., & Caldwell, G. (2008). Video for change. insiste press.
Lua i Stíl Chicago (17ú heag.)Gregory, Sam, agus Gillian Caldwell. Video for Change. insiste press, 2008.
Lua MLA (9ú heag.)Gregory, Sam, agus Gillian Caldwell. Video for Change. insiste press, 2008.
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