Gaya APA

[et.al.], N, S, D. (2012). Sleep Disturbance and Depressive Symptoms in Adolescence: The Role of Catastrophic Worry . New York: Springer Science+Business Media.

Gaya MLA

[et.al.], Nanette, S., Danielsson. "Sleep Disturbance and Depressive Symptoms in Adolescence: The Role of Catastrophic Worry". New York: Springer Science+Business Media, 2012. e-journal.