APA

Burnham P., Lutz K. g., Grant W. & Layton-henry Z. (2008). Research methods in politics. New york: Palgrave macmillan.

Chicago

Burnham Peter, Lutz Karin gilland, Grant Wyn and Layton-henry Zig. 2008. Research methods in politics. New york: Palgrave macmillan.

Harvard

Burnham P., Lutz K. g., Grant W. and Layton-henry Z. (2008). Research methods in politics. New york: Palgrave macmillan.

MLA

Burnham Peter, Lutz Karin gilland, Grant Wyn and Layton-henry Zig. Research methods in politics. New york: Palgrave macmillan. 2008.