Feyler, Sherman F.
Macmillan, 1958
Buku Teks
Muhammad Ikhsan Burhanuddin, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2020
UI - Tesis (Membership)
Sauvain, Harry C., author
Prentice-Hall, 1953
Buku Teks
Kamm, Jacob O.
World Publishing Comp., 1952
Buku Teks
Tesser, Ted, author
John Wiley & Sons, 2000
Buku Teks