Artikel Jurnal
Bill Freedman, editor
Springer Reference, 2014
Buku Teks
Hans Gunter Brauch ... [et al.], editors ; with forewords by Achim Steiner ... [et al.] ; with preface essays by Paul C. Crutzen ... [et al.].
Springer, 2011
Buku Teks
Harvey, L.D. Danny, author
Prentice-Hall, 2000
Buku Teks
Whyte, Ian, author
I.B. Tauris, 2008
Buku Teks