Polak, M. A., Houghton, L. A., Reeder, A. I., Harper, M. J., & Conner, T. S. (2014). Serum 25-Hydroxyvitamin D Concentrations and Depressive Symptoms among Young Adult Men and Women. Nutrients.
استشهاد بنمط شيكاغوPolak, Maria A., Lisa A. Houghton, Anthony I. Reeder, Michelle J. Harper, و Tamlin S. Conner. "Serum 25-Hydroxyvitamin D Concentrations and Depressive Symptoms Among Young Adult Men and Women." Nutrients 2014.
MLA استشهادPolak, Maria A., et al. "Serum 25-Hydroxyvitamin D Concentrations and Depressive Symptoms Among Young Adult Men and Women." Nutrients 2014.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.