Spiteri, George (October 2019). "ISS Report"(PDF). Spaceflight. 61 (10). British Interplanetary Society: 8–13.
nasa.gov
nssdc.gsfc.nasa.gov
"Progress MS-12 2019-047A". NSSDCA. NASA. 31 July 2019. Retrieved 30 November 2019. This article incorporates text from this source, which is in the public domain.