Cita APA (7th ed.)

Cassell, K. A., & Hiremath, U. (2018). Reference and information services: An introduction (Fourth edition.). Facet.

Cita Chicago (17th ed.)

Cassell, Kay Ann, i Uma Hiremath. Reference and Information Services: An Introduction. Fourth edition. London: Facet, 2018.

Cita MLA (9th ed.)

Cassell, Kay Ann, i Uma Hiremath. Reference and Information Services: An Introduction. Fourth edition. Facet, 2018.