Koszarski, Richard, author
Macmillan Library Reference USA,, 1990
Buku Referensi
Motley, John Lothrop, author
Cambridge University Press, 2012
eBooks
Indah S. Pratidina, author
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 2023
Artikel Jurnal
Stoessinger, John G., author
Thomson Wadsworth, 2008
Buku Teks
Mitchell, Joseph B. (Joseph Brady), 1915-, author
G.P. Putnam, 1955
Buku Teks