APA (7. basım) Alıntı

Varela-López, L. J. (2008). University students with hearts of children. Universidad Autónoma de Tamaulipas.

Chicago Style (17. basım) Atıf

Varela-López, Luis Jesús. University Students with Hearts of Children. Universidad Autónoma de Tamaulipas, 2008.

MLA (8th ed.) Atıf

Varela-López, Luis Jesús. University Students with Hearts of Children. Universidad Autónoma de Tamaulipas, 2008.