Cofnodi Dyfyniadau

Dyfyniad APA

Spring Joel. (1986). The American School 1642 - 2004 (Tái bản lần thứ 6.). American: McGraw -Hill.

Dyfyniad Arddull Chicago

Spring Joel. The American School 1642 - 2004. Tái bản lần thứ 6. American: McGraw -Hill, 1986.

Dyfyniad MLA

Spring Joel. The American School 1642 - 2004. Tái bản lần thứ 6. American: McGraw -Hill, 1986.

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