Library Association, Walford, A. J., Mullay, M., & Schlicke, P. (1996). Walford's guide to reference material. Library Association.
Cita Chicago Style (17a ed.)Library Association, A. J. Walford, Marilyn Mullay, y Priscilla Schlicke. Walford's Guide to Reference Material. London: Library Association, 1996.
Cita MLA (9a ed.)Library Association, et al. Walford's Guide to Reference Material. Library Association, 1996.
Precaución: Estas citas no son 100% exactas.