Stevenson, Robert Louis, author
Everyman's Library, 1992
Buku Referensi
Binh, Le Nguyen, author
CRC Pres, 2008
Buku Teks
edited by Miles J. Padgett, Justin E. Molloy, David McGloin
CRC Press, 2010
Buku Teks
Nesse, William D.
Oxford University Press, 2009
Buku Teks
edited by H.J. Caulfield
Academic Press, 1979
Buku Referensi