Citazione Stile APA (7a Edizione)

Espinosa Romero, C. I., & Jiménez Espinosa, A. (2014). Construction of the concept of ratio and constant ratio from the social epistemological viewpoint. Universidad Pedagógica y Tecnológica de Colombia.

Citazione stile Chigago Style (17a edizione)

Espinosa Romero, César Iván, e Alfonso Jiménez Espinosa. Construction of the Concept of Ratio and Constant Ratio from the Social Epistemological Viewpoint. Universidad Pedagógica y Tecnológica de Colombia, 2014.

Citatione MLA (9a ed.)

Espinosa Romero, César Iván, e Alfonso Jiménez Espinosa. Construction of the Concept of Ratio and Constant Ratio from the Social Epistemological Viewpoint. Universidad Pedagógica y Tecnológica de Colombia, 2014.

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