Xavier, d. L., & Per, J. (2014). Testing for the Unconfoundedness Assumption Using an Instrumental Assumption. De Gruyter.
Cita Chicago (17th ed.)Xavier, de Luna, i Johansson Per. Testing for the Unconfoundedness Assumption Using an Instrumental Assumption. De Gruyter, 2014.
Cita MLA (9th ed.)Xavier, de Luna, i Johansson Per. Testing for the Unconfoundedness Assumption Using an Instrumental Assumption. De Gruyter, 2014.
Atenció: Aquestes cites poden no estar 100% correctes.