Hageboeck, M. (1979). Manager's guide to data collection. Office of Evaluation, Bureau for Program and Policy Coordination, Agency for International Development.
Cita Chicago (17th ed.)Hageboeck, Molly. Manager's Guide to Data Collection. Washington, D.C.: Office of Evaluation, Bureau for Program and Policy Coordination, Agency for International Development, 1979.
Cita MLA (8th ed.)Hageboeck, Molly. Manager's Guide to Data Collection. Office of Evaluation, Bureau for Program and Policy Coordination, Agency for International Development, 1979.
Atenció: Aquestes cites poden no estar 100% correctes.