Cita APA (7th ed.)

Ramalho, J. A. (1992). Clipper 5.01. McGraw-Hill.

Cita Chicago (17th ed.)

Ramalho, José Antonio. Clipper 5.01. Madrid: McGraw-Hill, 1992.

Cita MLA (9th ed.)

Ramalho, José Antonio. Clipper 5.01. McGraw-Hill, 1992.