Comercio. 12 November 2020 [15 November 2020]. (原始内容存档于2020-11-13) (西班牙语). Burt, Jo-Marie. Vizcarra May Survive. But Peru's Politics Look Fragile.. Americas
Phillips, Mark W.; Vogt, Steven S.; Oppenheimer, Rebecca; Holden, Bradford; Burt, Jennifer; Boss, Alan P. Optimized modelling of Gaia–Hipparcos astrometry