Dyfyniad APA
Cornaro, L., Addison, J., Bacon, F., & Temple, W. (2005). The art of living long. Springer Pub. Co..
Dyfyniad Arddull Chicago
Cornaro, Luigi, Joseph Addison, Francis Bacon, and William Temple. The Art of Living Long. New York, NY: Springer Pub. Co., 2005.
Dyfyniad MLA
Cornaro, Luigi, et al. The Art of Living Long. Springer Pub. Co., 2005.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.