Walters, J. Donald, author
PT Gramedia Pustaka Utama, 2003
Buku Teks
Walters, Donald J
Gramedia Pustaka Utama, 1988
Buku Teks
Knoop, Todd A., author
Blackwell Pub., 2008
Buku Teks
Barton, Dominic, author
John Wiley & Sons, 2003
Buku Teks
Muhammad Hanif Amiruddin, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2022
UI - Skripsi (Membership)