Tinker, A., & Carpentier, R. (1995). Difficult to let: Sheltered Housing. HMSO.
Cita Chicago (17th ed.)Tinker, Anthea, i Robert Carpentier. Difficult to Let: Sheltered Housing. London: HMSO, 1995.
Cita MLA (9th ed.)Tinker, Anthea, i Robert Carpentier. Difficult to Let: Sheltered Housing. HMSO, 1995.
Atenció: Aquestes cites poden no estar 100% correctes.