Merrill, Ray M., author
Jones & Bartlett Learning, 2016
Buku Teks
edited by Roy M. Anderson
Chapman & Hall, 1982
Buku Teks
Savitz, David A., author
Oxford University Press, 2016
eBooks
Mausnes, Judith S.
W.B. Saunders , 1985
Buku Teks
Robinson, Derek
Churchill Livingstone, 1985
Buku Teks