Girdano, D. A., Dusek, D., & Everly, G. S. (2005). Controlling stress and tension (7th ed.). Pearson/Benjamin Cummings.
Chicago Style aipamenaGirdano, Daniel A., Dorothy Dusek, and George S. Everly. Controlling Stress and Tension. 7th ed. San Francisco: Pearson/Benjamin Cummings, 2005.
MLA aipamenaGirdano, Daniel A., et al. Controlling Stress and Tension. 7th ed. Pearson/Benjamin Cummings, 2005.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.