Wright, Samson
Oxford University Press, 1940
Buku Referensi
Wright, Samson
Oxford University Press, 1931
Buku Referensi
Lumb, Andrew B.
Elsevier, 2005
Buku Teks SO
Chang, Esther
Mosby , 2006
Buku Teks SO
Ghista, Dhanjoo N.
CRC Press, 2009
Buku Teks SO