Dyfyniad APA

HAYDEN. (1956). Mastering American engglish: A handbook-workbook ofessentials. Prentice-Hall.

Dyfyniad Arddull Chicago

HAYDEN. Mastering American Engglish: A Handbook-workbook Ofessentials. New York: Prentice-Hall, 1956.

Dyfyniad MLA

HAYDEN. Mastering American Engglish: A Handbook-workbook Ofessentials. Prentice-Hall, 1956.

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