Worth, Thomas, author
Prentice-Hall, 1976
Buku Teks
Leiter, Michael P., author
Jossey-Bass , 2005
Buku Teks
Tracy, Brian, author
John Wiley & Sons, 2003
Buku Teks
Kotler, Philip, author
John Wiley & Sons, 2005
Buku Teks
Anisa Febi Safrinda, author
2019
UI - Skripsi (Membership)