Dyfyniad APA

Herrman, H., Maj, M., & Sartorius, N. (2009). Depressive disorders (3rd ed.). Chichester, West Sussex, UK ; Hoboken, NJ: John Wiley & Sons.

Dyfyniad Arddull Chicago

Herrman, Helen., Mario Maj, and N. Sartorius. Depressive Disorders. 3rd ed. Chichester, West Sussex, UK ; Hoboken, NJ: John Wiley & Sons, 2009.

Dyfyniad MLA

Herrman, Helen., Mario Maj, and N. Sartorius. Depressive Disorders. 3rd ed. Chichester, West Sussex, UK ; Hoboken, NJ: John Wiley & Sons, 2009.

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