Rittner, D. (1992). EcoLinking: Everyone's guide to online environmental information. Peachpit Press.
Citazione stile Chigago Style (17a edizione)Rittner, Don. EcoLinking: Everyone's Guide to Online Environmental Information. Berkeley, Calif: Peachpit Press, 1992.
Citatione MLA (9a ed.)Rittner, Don. EcoLinking: Everyone's Guide to Online Environmental Information. Peachpit Press, 1992.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.