APA ציטוט

Williams, S., Malatesta, K., & Norris, K. (2009). Vitamin D and Chronic Kidney Disease.

Citação norma Chicago

Williams, Sandra, Karla Malatesta, and Keith Norris. Vitamin D and Chronic Kidney Disease. 2009.

ציטוט MLA

Williams, Sandra, Karla Malatesta, and Keith Norris. Vitamin D and Chronic Kidney Disease. 2009.