Gaya APA
      Tamampil, F. (2014).
    Pengaruh leverage, performance, growth opportunity, sales, tax dan firm size terhadap keputusan investasi perussahaan indonesia periode 2007-2011 .
    Jakarta:
  FE, UPNVJ.
  
Gaya MLA
      Tamampil, Fachri.
    "Pengaruh leverage, performance, growth opportunity, sales, tax dan firm size terhadap keputusan investasi perussahaan indonesia periode 2007-2011".
    
    Jakarta:
  FE, UPNVJ,
  2014.
  Skripsi Ekonomi.