Button, E. (1988). Psychological problems in primary health care. C. Helm.
Cita Chicago (17th ed.)Button, Eric. Psychological Problems in Primary Health Care. London: C. Helm, 1988.
Cita MLA (8th ed.)Button, Eric. Psychological Problems in Primary Health Care. C. Helm, 1988.
Atenció: Aquestes cites poden no estar 100% correctes.