Roser, N. L. (1987). Laidlaw spelling. New York: Scribner Laidlaw.
Trích dẫn kiểu ChicagoRoser, Nancy L. Laidlaw Spelling. New York: Scribner Laidlaw, 1987.
Deismireacht MLARoser, Nancy L. Laidlaw Spelling. New York: Scribner Laidlaw, 1987.
Rabhadh: D'fhéadfadh nach mbeadh na deismireachtaí seo 100% cruinn i gcónaí.