Kessler, Ronald C;
Heeringa, Steven G; Pennell, Beth-Ellen; Avenevoli, S; Costello, E J; Green, J G; Gruber, M J; Merikangas, K R; Sampson, N A; Zaslavsky, A M. (2009).
Design and field procedures in the US National Comorbidity Survey Replication Adolescent Supplement (NCS-A). International Journal of Methods in Psychiatric Research. 18(2), 69-83.