Cita APA (7a ed.)

Sperling, D. (1999). Dave Sperling's internetactivity workbook. Prentice-Hall Regents.

Cita Chicago Style (17a ed.)

Sperling, Dave. Dave Sperling's Internetactivity Workbook. Upper Saddle River, New Jersey: Prentice-Hall Regents, 1999.

Cita MLA (9a ed.)

Sperling, Dave. Dave Sperling's Internetactivity Workbook. Prentice-Hall Regents, 1999.