Fuentes-Vega, S. (2017). Co-sleeping versus sleep training: Publications with advice for parents. Universidad Nacional de Colombia.
Citazione stile Chigago Style (17a edizione)Fuentes-Vega, Sandra. Co-sleeping Versus Sleep Training: Publications with Advice for Parents. Universidad Nacional de Colombia, 2017.
Citatione MLA (9a ed.)Fuentes-Vega, Sandra. Co-sleeping Versus Sleep Training: Publications with Advice for Parents. Universidad Nacional de Colombia, 2017.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.