Campbell, A., Converse, P. E., & Rodgers, W. L. (1976). The quality of American life: Perceptions, evaluations, and satisfactions. Russell Sage Foundation.
Cita Chicago (17th ed.)Campbell, Angus, Philip E. Converse, i Willard L. Rodgers. The Quality of American Life: Perceptions, Evaluations, and Satisfactions. New York: Russell Sage Foundation, 1976.
Cita MLA (9th ed.)Campbell, Angus, et al. The Quality of American Life: Perceptions, Evaluations, and Satisfactions. Russell Sage Foundation, 1976.
Atenció: Aquestes cites poden no estar 100% correctes.