Cita APA (7th ed.)

Jensen, C., & Anderson, L. (1992). Harvard Graphics: Manual de referencia. Osborne-McGraw-Hill.

Cita Chicago (17th ed.)

Jensen, Cary, i Loy Anderson. Harvard Graphics: Manual De Referencia. Madrid: Osborne-McGraw-Hill, 1992.

Cita MLA (9th ed.)

Jensen, Cary, i Loy Anderson. Harvard Graphics: Manual De Referencia. Osborne-McGraw-Hill, 1992.