Dyfyniad APA
Burggraf, V., Kim, K. Y., Knight, A. L., Fischer, A., Bellus, M., & Druding, S. (2014). Healthy aging: Principles and clinical practice for clinicians. Wolters Kluwer.
Dyfyniad Arddull Chicago
Burggraf, Virginia, Kye Y. Kim, Aubrey L. Knight, Ashley Fischer, Marian Bellus, and Stephen Druding. Healthy Aging: Principles and Clinical Practice for Clinicians. Philadelphia, Pennsylvania: Wolters Kluwer, 2014.
Dyfyniad MLA
Burggraf, Virginia, et al. Healthy Aging: Principles and Clinical Practice for Clinicians. Wolters Kluwer, 2014.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.