Koop, R. (2011). Grassroots Liberals: Organizing for local and national politics. UBC Press.
Chicago-viite (17. p.)Koop, Royce. Grassroots Liberals: Organizing for Local and National Politics. Vancouver [B.C.]: UBC Press, 2011.
MLA-viite (9. p.)Koop, Royce. Grassroots Liberals: Organizing for Local and National Politics. UBC Press, 2011.
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