Dyfyniad APA

Hillman, C. B. (1995). Before the school bell rings. Phi Delta Kappa Educational Foundation.

Dyfyniad Arddull Chicago

Hillman, Carol B. Before the School Bell Rings. Indiana: Phi Delta Kappa Educational Foundation, 1995.

Dyfyniad MLA

Hillman, Carol B. Before the School Bell Rings. Phi Delta Kappa Educational Foundation, 1995.

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