Wienbroer, D. R. (2001). Rules of thumb for online research. McGraw-Hill.
Cita Chicago (17th ed.)Wienbroer, Diana Roberts. Rules of Thumb for Online Research. Boston: McGraw-Hill, 2001.
Cita MLA (9th ed.)Wienbroer, Diana Roberts. Rules of Thumb for Online Research. McGraw-Hill, 2001.
Atenció: Aquestes cites poden no estar 100% correctes.