Calvo Buezas, T. (2022). Changes in values in America and in Colombia (1993-2019): Nationalism, racism, Hispanophobia and sexual permissiveness: this is how 36,516 young students in Latin America think in 1993 and 11,322 in 2019. Universidad Pedagógica y Tecnológica de Colombia.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Calvo Buezas, Tomás. Changes in Values in America and in Colombia (1993-2019): Nationalism, Racism, Hispanophobia and Sexual Permissiveness: This Is How 36,516 Young Students in Latin America Think in 1993 and 11,322 in 2019. Universidad Pedagógica y Tecnológica de Colombia, 2022.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Calvo Buezas, Tomás. Changes in Values in America and in Colombia (1993-2019): Nationalism, Racism, Hispanophobia and Sexual Permissiveness: This Is How 36,516 Young Students in Latin America Think in 1993 and 11,322 in 2019. Universidad Pedagógica y Tecnológica de Colombia, 2022.
