Dyfyniad APA

Becerra-Barón, J. D., & Torres-Merchán, N. Y. (2014). Design of Educational Material as a Contribution to Environmental Problems in Educational and Community.

Dyfyniad Arddull Chicago

Becerra-Barón, Julián David, y Nidia Yaneth Torres-Merchán. Design of Educational Material As a Contribution to Environmental Problems in Educational and Community. 2014.

Dyfyniad MLA

Becerra-Barón, Julián David, y Nidia Yaneth Torres-Merchán. Design of Educational Material As a Contribution to Environmental Problems in Educational and Community. 2014.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.