Doris, Lillian
Complete secretary's handbook
Prentice-Hall, 1970
Buku Referensi
Doris, Lillian
Complete secretary's handbook
Prentice-Hall, 1960
Buku Teks SO
The Professional secretary's Handbook
Boston: Houghton: 1993,
Buku Referensi
Bredow, Miriam
Handbook for the medical secretary
Gregg Publishing, 1959
Buku Referensi
Becker, Esther R.
The successful secretary's handbook
Harper & Row, 1971
Buku Referensi