Dyfyniad APA

Alexopoulos, G. S., Schultz, S. K., & Lebowitz, B. D. (2005). Late-Life Depression: A Model for Medical Classification. Biol Psychiatry.

Dyfyniad Arddull Chicago

Alexopoulos, George S., Susan K. Schultz, and Barry D. Lebowitz. "Late-Life Depression: A Model for Medical Classification." Biol Psychiatry 2005.

Dyfyniad MLA

Alexopoulos, George S., Susan K. Schultz, and Barry D. Lebowitz. "Late-Life Depression: A Model for Medical Classification." Biol Psychiatry 2005.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.