APA Style

Peter, G, C, D, C, T, G, M, M, A, S. (2009). Key Concepts Political Geography (Edisi Pertama). Los Angles: SAGE Publications Inc.

MLA Style

Peter, Gallaher, Carolyn;, Dahlman, Carl, T.;, Gilmartin, Mary;, Mountz, Alison;, Shirlow. "Key Concepts Political Geography". Edisi Pertama Los Angles: SAGE Publications Inc, 2009. Text.