Dyfyniad APA

Costa, L. C. (2006). Personal strivings, spirituality and academic achievement.

Dyfyniad Arddull Chicago

Costa, Liza C. Personal Strivings, Spirituality and Academic Achievement. 2006.

Dyfyniad MLA

Costa, Liza C. Personal Strivings, Spirituality and Academic Achievement. 2006.

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