Kitap
Name: Donald, Robert B./
Moore, James D./ Morrow, Betty Richmond / Wargetx, Lillian Griffith and Werner, Kathleen
Date: 1981
Name: Dönmezer, İbrahim
Printery: Ege Üniversitesi
Published: İzmir
Date: 1992
Name: Drath, Viola Herms
and Graf, Otto G.
Printery: Holt, Rinehart and Winston
Published: New York
Date: 1969
Name: Dunkel, Agard
Printery: Ginn and Company
Published: Boston
Date: 1948
Name: Dunkel, Agard
Printery: Ginn and Company
Published: Boston
Date: 1948
Name: Egan, Gerard
Printery: Cole Publishing Company
Published: California
Date: 1975
Name: English for Secretaries
Printery: Oxford Unversity Press
Published: London
Date: 1978
Name: Evans, Baldwın and
Kelly
Printery: Webster Division, McGraw-Hill
Book Company
Published: St.Louis
Date: 1967
Name: Everhart, Jim
Printery: Cliffs Notes
Published: Nebraska
Date: 1975
Name: fanselow,john f.
Published: new york
Date: 1987