Jongkon Lee, author
Seoul National University, 2019
Artikel Jurnal
edited by Massimo Sargiacomo
McGraw-Hill, 2013
Buku Teks
Buchele, Robert B., author
McGraw-Hill, 1977
Buku Teks
Hughes, Owen E., author
England Palgrave Macmillan, 2012
Buku Teks
Bozeman, Barry, author
St. Martin's Press, 1979
Buku Teks