The Secretary of state
edited by Don K. Price
Prentice-Hall, 1960
 Buku Teks
De Vries, Mary Ann
Professional secretary's encyclopedic dictionary
Prentice-Hall, 1995
 Buku Referensi
The Secretary's desktop library
Prentice-Hall Editorial Staff
Prentice-Hall, 1990
 Buku Referensi
De Vries, Mary Ann
Complete secretary's handbook
Prentice-Hall, 1991
 Buku Referensi
The Professional secretary's Handbook
Boston: Houghton: 1993,
 Buku Referensi