Dyfyniad APA

Studenmund, A. H., & Cassidy, H. J. (1997). Using econometrics: A practical guide (3rd ed.). Addison-Wesley.

Dyfyniad Arddull Chicago

Studenmund, A. H., and Henry J. Cassidy. Using Econometrics: A Practical Guide. 3rd ed. Reading, Mass: Addison-Wesley, 1997.

Dyfyniad MLA

Studenmund, A. H., and Henry J. Cassidy. Using Econometrics: A Practical Guide. 3rd ed. Addison-Wesley, 1997.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.