edited by G.R. McLatchie and D.J. Leaper
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Buku Referensi
Maurice King, Peter Bewes, James Cairns, Jim Thornton, editor
Oxford University Press, 1990
Buku Referensi
Liechty, Richard D.
Mosby, 1985
Buku Teks SO
edited by Seymour I. Schwartz
McGraw-Hill Information Services, 1989
Buku Teks SO
edited by Arnold G. Coran, N. Scott Adzick
Elsevier Saunder, 2012
Buku Teks SO