Huon, Jean (September 2013). "The Chaco War". Small Arms Review. Vol. 17, no. 3. Archived from the original on 19 August 2019. Retrieved 17 November 2018.
Huon, Jean (September 2013). "The Chaco War". Small Arms Review. Vol. 17, no. 3. Archived from the original on 19 August 2019. Retrieved 17 November 2018.