ebrary, Inc, & Grover, V. I. (2007). Water: A source of conflict or cooperation? Science Publishers.
Chicago Style (17th ed.) Zitazioaebrary, Inc, eta Velma I. Grover. Water: A Source of Conflict or Cooperation? Enfield, N.H.: Science Publishers, 2007.
MLA (9th ed.) Zitazioaebrary, Inc, eta Velma I. Grover. Water: A Source of Conflict or Cooperation? Science Publishers, 2007.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.