editor, Stephen R. Gliessman
Springer-Verlag, 1990
Buku Teks
edited by Sven Erik Jorgensen
CRC Press, Taylor & Francis Group, 2011
Buku Referensi
Vasey, Daniel E., author
Iowa State University Press, 1992
Buku Teks
edited by Helmut Lieth, M.J.A. Werger and David W. Goodall
Elsevier, 1992
Buku Teks
edited by Kenny Ausubel, J.P. Harpignies
Sierra Club Books, 2004
Buku Teks