David G Watson
Churchill Livingstone, 2011
Buku Teks SO
Ghosh, Jayashree
S. Chand, 1997
Buku Teks SO
Atherden, L.M.
Oxford University Press, 1969
Buku Teks SO
Jenkins, Glenn L.
McGraw-Hill, 1953
Buku Teks SO
edited by John H. Block, John M. Beale
Lippincott Williams & Wilkins, 2004
Buku Teks SO