Kusno 2003. Kusno, Abidin (November 2003). "From City to City: Tan Malaka, Shanghai, and the Politics of Geographical Imagining". Singapore Journal of Tropical Geography. Blackwell Publishing. 24 (3): 327–339. doi:10.1111/1467-9493.00162. ISSN0129-7619.
Kusno 2003. Kusno, Abidin (November 2003). "From City to City: Tan Malaka, Shanghai, and the Politics of Geographical Imagining". Singapore Journal of Tropical Geography. Blackwell Publishing. 24 (3): 327–339. doi:10.1111/1467-9493.00162. ISSN0129-7619.