Foskett, A. C. (1971). The subject approach to information (2nd ed., revised and enlarged.). Bingley.
Cita Chicago (17th ed.)Foskett, A. C. The Subject Approach to Information. 2nd ed., revised and enlarged. London: Bingley, 1971.
Cita MLA (8th ed.)Foskett, A. C. The Subject Approach to Information. 2nd ed., revised and enlarged. Bingley, 1971.
Atenció: Aquestes cites poden no estar 100% correctes.