Bhagavan, N. V.
J. B. Lippincott Company, 1979
Buku Teks
edited by John M. Clark, Jr.
W.H. Freeman, 1964
Buku Teks
Garrett, R. (Reginald), author
Saunders College, 1995
Buku Teks
Karlson, P., author
Academic Press, 1967
Buku Teks
Holum, John R., author
John Wiley & Sons, 1975
Buku Teks