Owen, Robert R., author
John Wiley, 1986
Buku Teks
Sherman, Andrew J., author
Amacom, 2005
Buku Teks
by John B. Vinturella and Suzanne M. Erickson
Elsevier, 2013
eBooks
Siegel, Eric S.
John Wiley & Sons, 1987
Buku Teks
Nababan, Audrey Monalisa, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2023
UI - Tugas Akhir