Bell, William D.
McGraw-Hill, 1957
Buku Teks
Lee, Stuart D.
Facet Publishing, 2004
Buku Teks
Kozak, Donald P.
Sound Management Productions, 1992
Buku Referensi
Conger, Joan E.
Libraries Unlimited, 2004
Buku Teks
Mira Susanti
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2021
UI - Tesis Membership