Lua APA (7ú heag.)
ebrary, Inc, & Grover, V. I. (2006). Water: Global common and global problems. Science Publishers.
Lua i Stíl Chicago (17ú heag.)
ebrary, Inc, agus Velma I. Grover. Water: Global Common and Global Problems. Enfield, NH: Science Publishers, 2006.
Lua MLA (9ú heag.)
ebrary, Inc, agus Velma I. Grover. Water: Global Common and Global Problems. Science Publishers, 2006.
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