Dyfyniad APA

National School Boards Association, Bruce, W. G., Bruce, W. C., & Cocroft, S. The American school board journal. Bruce Pub. Co.

Dyfyniad Arddull Chicago

National School Boards Association, William George Bruce, William Conrad Bruce, and Susanna Cocroft. The American School Board Journal. Milwaukee, Wis.: Bruce Pub. Co.

Dyfyniad MLA

National School Boards Association, et al. The American School Board Journal. Bruce Pub. Co.

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