Maris, Hyllus, author
Currency Press, 1985
Buku Teks
Sun, Wu-hwi, author
Minumsa, 2005
Buku Teks
Lee, Sun Siu
Minemsa, 2010
Buku Teks
Jansen, Marius B., author
Harvard University Press, 1967
Buku Teks
Gardner, Mona
Harcourt, Brace & company, 1939
Buku Teks