edited by David R. Morgan
Edward Arnold, 1992
Buku Teks
edited by David R. Morgan
Published on behalf of the British Medical Association by Edward Arnold, 1992
Buku Referensi
Fink, Johannes Karl, author
Elsevier, 2015
Buku Teks
Emsley, John, author
W.H. Freeman Spektrum , 1994
Buku Referensi
Repetto,Robert
World Resources Institute, 1996
Buku Teks