Ebert, J. D. (1965). Interacting systems in development. Holt, Rinehart and Winston.
Cita Chicago Style (17a ed.)Ebert, James D. Interacting Systems in Development. New York, USA: Holt, Rinehart and Winston, 1965.
Cita MLA (9a ed.)Ebert, James D. Interacting Systems in Development. Holt, Rinehart and Winston, 1965.
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