Dyfyniad APA

Scott, J. M., Carter, R. G., & Drury, A. C. (2016). IR (Student edition.). Cengage Learning.

Dyfyniad Arddull Chicago

Scott, James M., Ralph G. Carter, and A. Cooper Drury. IR. Student edition. Boston, MA: Cengage Learning, 2016.

Dyfyniad MLA

Scott, James M., et al. IR. Student edition. Cengage Learning, 2016.

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