Illman, Paul E.
The pilot's air traffic control handbook
Tab Books, 1993
 Buku Referensi
The handbook of alternative education
editor, Jerry Mintz
Macmillan, 1994
 Buku Referensi
De Vries, Mary Ann
Complete secretary's handbook
Prentice-Hall, 1991
 Buku Referensi
Ranz, John H.
Anderson?s manual for notaries public; a complete guide for notaries public and commissioners of deeds, with forms, charts, and instructions for use in all States/ John H. Ranz
W.H. Anderson Co., 1966
 Buku Teks
Webster's legal secretaries handbook
edited by Coleen K. Withgott, Austin G. Anderson
Merriam-Webster, 1981
 Buku Referensi