Não informado. (2009). Observations Made at Secondary Stations in Netherlands East India. [s.n.].
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিNão informado. Observations Made at Secondary Stations in Netherlands East India. Batavia, Indonesia: [s.n.], 2009.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিNão informado. Observations Made at Secondary Stations in Netherlands East India. [s.n.], 2009.
সতর্কবাণী: সাইটেশন সবসময় 100% নির্ভুল হতে পারে না.