Moriana Elvira, J. A., Alós Cívico, F., Alcalá Cabrera, R., Pino Osuna, M. J., Herruzo Cabrera, J., & Ruiz Olivares, R. (2012). Extra-curricular activities and academic performance in secondary students. Universidad de Almería.
Čikaški stil citiranja (17. izdanje)Moriana Elvira, Juan A., Francisco Alós Cívico, Rocío Alcalá Cabrera, Mª José Pino Osuna, Javier Herruzo Cabrera, i Rosario Ruiz Olivares. Extra-curricular Activities and Academic Performance in Secondary Students. Universidad de Almería, 2012.
MLA način citiranja (8. izdanje)Moriana Elvira, Juan A., et al. Extra-curricular Activities and Academic Performance in Secondary Students. Universidad de Almería, 2012.
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