Bauman,Karl E. (1980). Research methods for community health and welfare. Oxford University.
Cita Chicago (17th ed.)Bauman,Karl E. Research Methods for Community Health and Welfare. New york: Oxford University, 1980.
Cita MLA (8th ed.)Bauman,Karl E. Research Methods for Community Health and Welfare. Oxford University, 1980.
Atenció: Aquestes cites poden no estar 100% correctes.