Dyfyniad APA

Gage, N. L. (2009). A Conception of Teaching. Springer US. https://doi.org/10.1007/978-0-387-09446-5

Dyfyniad Arddull Chicago

Gage, Nathaniel L. A Conception of Teaching. Boston, MA: Springer US, 2009. https://doi.org/10.1007/978-0-387-09446-5.

Dyfyniad MLA

Gage, Nathaniel L. A Conception of Teaching. Springer US, 2009. https://doi.org/10.1007/978-0-387-09446-5.

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