Woodworth, David P
Boston Spa: The British Library Document Supply Centre, 1986
Buku Referensi
Howard, Joseph H.
University of Malaya Library, 1966
Buku Referensi
edited and translated by Tai-jin Kim
Asiatic Research Center, Korea University, 1976
Buku Referensi
Shattock, Joanne, author
Oxford University Press, 1993
Buku Referensi
editor, Cecil Turner
Best Western, 1980
Buku Referensi