Clark, Lawrence S., author
McGraw-Hill, 1991
Buku Teks
McCarty, F. William
IRWIN, 1990
Buku Teks
Skolnick, Arlene S.
Little, Brown and company, 1983
Buku Teks
Australian Goverment Publishing Service, 1985
Buku Teks
Ita Triana, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2019
UI - Tesis Membership