Orr, Robert T.
Vertebrate biology
Saunders, 1976
 Buku Teks SO
Pough, F. Harvey
Vertebrate life
Prentice-Hall, 1996
 Buku Teks
Pough, F. Harvey
Vertebrate life
Prentice-Hall, 1999
 Buku Teks SO
Romer, Alfred Sherwood
The vertebrate body
W.B. Saunders, 1968
 Buku Teks SO
Romer, Alfred Sherwood
The vertebrate body
Saunders College, 1977
 Buku Teks SO