Alaidrus, Syarivah (April 27, 2010). "Martha Christina Si Pemberani dari Timur" [Martha Christina, the Brave One from the East]. Kompas (in Indonesian). Jakarta. Archived from the original on April 22, 2012. Retrieved December 27, 2011.
Alaidrus, Syarivah (April 27, 2010). "Martha Christina Si Pemberani dari Timur" [Martha Christina, the Brave One from the East]. Kompas (in Indonesian). Jakarta. Archived from the original on April 22, 2012. Retrieved December 27, 2011.