Citazione Stile APA (7a Edizione)

Julio Enrique Duarte, M. A. A. V. (2011). Utilization of didactic material for teaching science and technology concepts in children. Universidad Pedagógica y Tecnológica de Colombia.

Citazione stile Chigago Style (17a edizione)

Julio Enrique Duarte, Maria Aidé Angarita Velandia. Utilization of Didactic Material for Teaching Science and Technology Concepts in Children. Universidad Pedagógica y Tecnológica de Colombia, 2011.

Citatione MLA (9a ed.)

Julio Enrique Duarte, Maria Aidé Angarita Velandia. Utilization of Didactic Material for Teaching Science and Technology Concepts in Children. Universidad Pedagógica y Tecnológica de Colombia, 2011.

Attenzione: Queste citazioni potrebbero non essere precise al 100%.