Cita APA (7th ed.)

Southwestern Company & Hughes, J. (1997). Student handbook: Desk reference. Southwestern.

Cita Chicago (17th ed.)

Southwestern Company i James Hughes. Student Handbook: Desk Reference. Nashville, TN: Southwestern, 1997.

Cita MLA (9th ed.)

Southwestern Company i James Hughes. Student Handbook: Desk Reference. Southwestern, 1997.