Faller, Kathleen Coulborn, author
Columbia University Press, 1988
Buku Referensi
Levy, Howard B.
Raven Press , 1984
Buku Teks
Lawrence, Anne, author
Open University Press, 2004
Buku Teks
edited by Paris Goodyear-Brown
John Wiley and Sons, 2012
Buku Teks
Dinda Dea Pramaputri, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2018
UI - Skripsi Membership