Using econometrics : a practical guide / A.H. Studenmund with the assistance of Henry J. Cassidy. (1995). New York, NY: Harpercollins, c.
Using econometrics : a practical guide / A.H. Studenmund with the assistance of Henry J. Cassidy. 2nd ed.. New York, NY: Harpercollins, c, 1995. Buku Wajib.