Dyfyniad APA

Gregg, J. R. Advanced practice in Gregg shorthand. Gregg Pub. Co..

Dyfyniad Arddull Chicago

Gregg, John Robert. Advanced Practice in Gregg Shorthand. New York: Gregg Pub. Co..

Dyfyniad MLA

Gregg, John Robert. Advanced Practice in Gregg Shorthand. Gregg Pub. Co..

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