Jackson, Y., & Rogers, F. (1968). Type and Touch Type Writing. Heinnemann Educational books.
Chicago Style aipamenaJackson, Yyonne, and Fred Rogers. Type and Touch Type Writing. London: Heinnemann Educational books, 1968.
MLA aipamenaJackson, Yyonne, and Fred Rogers. Type and Touch Type Writing. Heinnemann Educational books, 1968.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.