Cita APA (7a ed.)

Griffithds, W. E. (1993). Learning and practicing of economtrics (1st edition.). John Wiley.

Cita Chicago Style (17a ed.)

Griffithds, William E. Learning and Practicing of Economtrics. 1st edition. New York: John Wiley, 1993.

Cita MLA (9a ed.)

Griffithds, William E. Learning and Practicing of Economtrics. 1st edition. John Wiley, 1993.