Xavier, d. L., & Per, J. (2014). Testing for the Unconfoundedness Assumption Using an Instrumental Assumption. De Gruyter.
Citazione stile Chigago Style (17a edizione)Xavier, de Luna, e Johansson Per. Testing for the Unconfoundedness Assumption Using an Instrumental Assumption. De Gruyter, 2014.
Citatione MLA (9a ed.)Xavier, de Luna, e Johansson Per. Testing for the Unconfoundedness Assumption Using an Instrumental Assumption. De Gruyter, 2014.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.