Cita APA (7th ed.)

Campbell, M. (1994). Excell for Windows answers: Certified tech support. McGraw-Hill.

Cita Chicago (17th ed.)

Campbell, Mary. Excell for Windows Answers: Certified Tech Support. Osborne: McGraw-Hill, 1994.

Cita MLA (9th ed.)

Campbell, Mary. Excell for Windows Answers: Certified Tech Support. McGraw-Hill, 1994.