APA
Chang H. F., Sigman Hilary & National Bureau Of Economic Research. (2010). An Empirical Analysis of Cost Recovery in Superfund Cases: I. Cambridge: NBER.
Chicago
Chang Howard F, Sigman Hilary and National Bureau Of Economic Research. 2010. An Empirical Analysis of Cost Recovery in Superfund Cases: I. Cambridge: NBER.
Harvard
Chang H. F., Sigman Hilary and National Bureau Of Economic Research. (2010). An Empirical Analysis of Cost Recovery in Superfund Cases: I. Cambridge: NBER.
MLA
Chang Howard F, Sigman Hilary and National Bureau Of Economic Research. An Empirical Analysis of Cost Recovery in Superfund Cases: I. Cambridge: NBER. 2010.
