Cita APA (7a ed.)

Library Association, Day, A. E., & Lea, P. W. (1996). The Reference sources handbook: (previously Printed reference material) (4th ed.). Library Association.

Cita Chicago Style (17a ed.)

Library Association, Alan Edwin Day, y Peter W. Lea. The Reference Sources Handbook: (previously Printed Reference Material). 4th ed. London: Library Association, 1996.

Cita MLA (9a ed.)

Library Association, et al. The Reference Sources Handbook: (previously Printed Reference Material). 4th ed. Library Association, 1996.