Gregg Publishing Company. (1940). A course of study for teaching Gregg shorthand by the functional method: Elementary and advanced. The Gregg Publishing Co..
Dyfyniad Arddull ChicagoGregg Publishing Company. A Course of Study for Teaching Gregg Shorthand by the Functional Method: Elementary and Advanced. New York : Chicago [etc.]: The Gregg Publishing Co., 1940.
Dyfyniad MLAGregg Publishing Company. A Course of Study for Teaching Gregg Shorthand by the Functional Method: Elementary and Advanced. The Gregg Publishing Co., 1940.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.