Purdy, Harry Leslie, author
Prentice-Hall, 1942
Buku Teks
Blair, John M., author
Johnson Reprint Corporation, 1972
Buku Teks
Anky Nudhita, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2018
UI - Skripsi (Membership)
Frederick, William C., 1925-, author
McGraw-Hill, 1988
Buku Teks
Frederick, William C., 1925-, author
McGraw-Hill, 1992
Buku Teks