King, Gillian M.
Blackwell Scientific Pub., 1982
Buku Referensi
Feduccia, Alan
W.W. Norton, 1975
Buku Teks
Brazier, Gil
Cavendish, 1996
Buku Teks SO
Lee, John A.N.
Van Nostrand Reinhold, 1967
Buku Teks SO
Scott-Conner, Carol E. H.
J.B. Lippincott Company, 1993
Buku Referensi