Cita APA (7th ed.)

Horwood, P. J. (1997). Power++ developer's professional reference. McGraw-Hill.

Cita Chicago (17th ed.)

Horwood, Peter J. Power++ Developer's Professional Reference. New York: McGraw-Hill, 1997.

Cita MLA (9th ed.)

Horwood, Peter J. Power++ Developer's Professional Reference. McGraw-Hill, 1997.