Dyfyniad APA

Jackson, Y., & Rogers, F. (1968). Type and Touch Type Writing. Heinnemann Educational books.

Dyfyniad Arddull Chicago

Jackson, Yyonne, and Fred Rogers. Type and Touch Type Writing. London: Heinnemann Educational books, 1968.

Dyfyniad MLA

Jackson, Yyonne, and Fred Rogers. Type and Touch Type Writing. Heinnemann Educational books, 1968.

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