Gaya APA
      Belo, F. et al (2013).
    A Supply Approach to Valuation .
    :
  Oxford University Press on behalf of The Society for Financial Studies.
  
Gaya MLA
      Belo, Frederico. et al.
    "A Supply Approach to Valuation".
    
    :
  Oxford University Press on behalf of The Society for Financial Studies,
  2013.
  e-journal.