Shepherd, M. (1988). Basics of left-handed calligraphy. Prentice Hall Press.
Dyfyniad Arddull ChicagoShepherd, Margaret. Basics of Left-handed Calligraphy. New York: Prentice Hall Press, 1988.
Dyfyniad MLAShepherd, Margaret. Basics of Left-handed Calligraphy. Prentice Hall Press, 1988.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.