Pike, Andy, author
Routledge, 2017
Buku Teks
Schenk, Gretchen Knief, author
American Library Association, 1954
Buku Teks
edited by John Friedmann and William Alonso
MIT Press, 1965
Buku Teks
by Gerald Manners ... [and others]
John Wiley & Sons, 1980
Buku Teks
Felicia Faustine, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2019
UI - Skripsi (Membership)