Espinoza González, J., Lupiáñez Gómez, J. L., & Segovia Alex, I. (2017). The posing of arithmetic problems by mathematically talented students. Universidad de Almería.
Čikaški stil citiranja (17. izdanje)Espinoza González, Johan, José Luis Lupiáñez Gómez, i Isidoro Segovia Alex. The Posing of Arithmetic Problems by Mathematically Talented Students. Universidad de Almería, 2017.
MLA način citiranja (8. izdanje)Espinoza González, Johan, et al. The Posing of Arithmetic Problems by Mathematically Talented Students. Universidad de Almería, 2017.
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