Gaya APA

Tans, R, G. (2011). Mafias, machines and mobilization : the sources of local power in three districts in north sumatra, indonesia . Singapore: National University of Singapore.

Gaya MLA

Tans, Ryan, Gordon. "Mafias, machines and mobilization : the sources of local power in three districts in north sumatra, indonesia". Singapore: National University of Singapore, 2011. Text.