APA
Sauermann H., Stephan Paula E & National Bureau Of Economic Research. (2010). Twins or Strangers?: Differences and Similarities between In. Cambridge: NBER.
Chicago
Sauermann Henry, Stephan Paula E and National Bureau Of Economic Research. 2010. Twins or Strangers?: Differences and Similarities between In. Cambridge: NBER.
Harvard
Sauermann H., Stephan Paula E and National Bureau Of Economic Research. (2010). Twins or Strangers?: Differences and Similarities between In. Cambridge: NBER.
MLA
Sauermann Henry, Stephan Paula E and National Bureau Of Economic Research. Twins or Strangers?: Differences and Similarities between In. Cambridge: NBER. 2010.
