Heck, R. H. (2004). Studying educational and social policy: Theoretical concepts and research methods. Lawrence Erlbaum.
Cita Chicago Style (17a ed.)Heck, Ronald H. Studying Educational and Social Policy: Theoretical Concepts and Research Methods. Mahwah, New Jersey [etc.]: Lawrence Erlbaum, 2004.
Cita MLA (9a ed.)Heck, Ronald H. Studying Educational and Social Policy: Theoretical Concepts and Research Methods. Lawrence Erlbaum, 2004.
Precaución: Estas citas no son 100% exactas.