"Archived copy"(PDF). Archived from the original(PDF) on October 3, 2020. Retrieved December 19, 2019.{{cite web}}: CS1 maint: archived copy as title (link)
Gaming Tribe Report (Report). National Indian Gaming Commission. July 6, 2011. Archived from the original on February 20, 2013. Retrieved February 18, 2013.
NIGC Tribal Gaming Revenues(PDF) (Report). National Indian Gaming Commission. 2011. Archived from the original(PDF) on October 10, 2012. Retrieved February 18, 2013.
"NGIC". Archived from the original on February 20, 2013. Retrieved June 10, 2012.
Gaming Tribe Report (Report). National Indian Gaming Commission. July 6, 2011. Archived from the original on February 20, 2013. Retrieved February 18, 2013.
NIGC Tribal Gaming Revenues(PDF) (Report). National Indian Gaming Commission. 2011. Archived from the original(PDF) on October 10, 2012. Retrieved February 18, 2013.
"NGIC". Archived from the original on February 20, 2013. Retrieved June 10, 2012.
"Archived copy"(PDF). Archived from the original(PDF) on October 3, 2020. Retrieved December 19, 2019.{{cite web}}: CS1 maint: archived copy as title (link)