editors, Perrin Walker, William H. Tarn
CRC Press, 1991
Buku Referensi
edited by Alison Scammell
Aslib, 2001
Buku Referensi
Hellier, Charles J., author
McGraw-Hill, 2001
Buku Teks
Carpenito-Moyet, Lynda Juall, author
Lippincott , 1999
Buku Teks
edited by, Edwin H. Gaylord
McGraw-Hill, 1990
Buku Referensi