Biddulph, Dick. editor
Radio Society of Great Britain, 1994
Buku Referensi
Cambridge University Press, 2020
eBooks
edited by W. Timothy Coombs and Sherry J. Holladay
Blackwell , 2010
eBooks
Dwyer, Judith, author
Prentice-Hall, 1993
Buku Referensi
Association of Southeast Asian Institutions of Higher Learning
Association of Southeast Asian Institutions of Higher Learning, 1965-
Buku Referensi