Nnochiri, Enyinnaya
Oxford University Press, 1979
Buku Teks
edited by Gerald L. Mandell, John E. Bennett and Raphael Dolin
Churchill Livingstone Elsevier, 2010
Buku Teks
edited by John E. Bennett, Raphael Dolin and Martin J. Blaser
Elsevier/Saunders, 2015
Buku Teks
edited by John E. Bennett, Raphael Dolin and Martin J. Blaser
PA Elsevier/Saunders, 2015
Buku Teks
Hinman, E. Harold, author
Charles C. Thomas, 1966
Buku Teks