Dyfyniad APA

NORDBERG, H. O., BRADFIELD, J. M., & ODELL, W. C. (1962). Secondary school teaching. The Macmillan Co.

Dyfyniad Arddull Chicago

NORDBERG, H. Orvile, James M. BRADFIELD, and William C. ODELL. Secondary School Teaching. New York: The Macmillan Co, 1962.

Dyfyniad MLA

NORDBERG, H. Orvile, et al. Secondary School Teaching. The Macmillan Co, 1962.

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