Robles Estrada, E., Oudhof van Barneveld, H., Zarza Villegas , S. S., & Villafaña Montiel, L. G. (2011). Validity and reliability of parental attachment instrument for mothers of the Toluca city. Consorcio de Universidades Mexicanas A.C.
Chicago-tyylinen lähdeviittausRobles Estrada, Erika, Hans Oudhof van Barneveld, Susana Silvia Zarza Villegas , ja Lourdes Gabriela Villafaña Montiel. Validity and Reliability of Parental Attachment Instrument for Mothers of the Toluca City. Consorcio de Universidades Mexicanas A.C, 2011.
MLA-viiteRobles Estrada, Erika, Hans Oudhof van Barneveld, Susana Silvia Zarza Villegas , ja Lourdes Gabriela Villafaña Montiel. Validity and Reliability of Parental Attachment Instrument for Mothers of the Toluca City. Consorcio de Universidades Mexicanas A.C, 2011.