Dyfyniad APA

Siegrist, J., Lunau, T., Wahrendorf, M., & Dragano, N. (2012). Depressive symptoms and psychosocial stress at work among older employees in three continents. BioMed Central.

Dyfyniad Arddull Chicago

Siegrist, Johannes, Thorsten Lunau, Morten Wahrendorf, and Nico Dragano. Depressive Symptoms and Psychosocial Stress At Work Among Older Employees in Three Continents. BioMed Central, 2012.

Dyfyniad MLA

Siegrist, Johannes, Thorsten Lunau, Morten Wahrendorf, and Nico Dragano. Depressive Symptoms and Psychosocial Stress At Work Among Older Employees in Three Continents. BioMed Central, 2012.

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