Dyfyniad APA

Norman A. Sprinhal, R. C. S., & Orient. cient. Bártolo Campos, I. S. (1994). Psicologia educacional. McGraw-Hill.

Dyfyniad Arddull Chicago

Norman A. Sprinhal, Richard C. Sprinthal, and Isabel Soares Orient. cient. Bártolo Campos. Psicologia Educacional. McGraw-Hill, 1994.

Dyfyniad MLA

Norman A. Sprinhal, Richard C. Sprinthal, and Isabel Soares Orient. cient. Bártolo Campos. Psicologia Educacional. McGraw-Hill, 1994.

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