By Kaufman, Alan S.
By Amina Memon, Ray Bull
By Christopher, Elphis, Solomon, Hester McFarland
By Hinshelwood, R. D.
By Beadle, Sandy, O`hanlon, Bill
By Daniel Freeman, Jason Freeman, Philippa Garety
By Myers, David
By Hayes, Nicky, Stratton, Peter
By The American Psychiatric Association
By Piaget, Jean, Pomerans, A.J.
By Brace, Nicola
By American Psychiatric Association
By Susan Nolen-Hoeksema
By Edgerton, Jane
By Heffernan, Thomas M.
By Rapp, Brenda
By Hicks, James Whitney
By Jarvis, Matthew, Dwyer, Diana, Putwain, Dave
By Russell, Julia, Jarvis, Matt
By Karp, Marcia
By Fauman, Michael A.
By Lopez, Shane J.
By Richards, Graham
By Donald Schon, Schon, Donald
By World Health Organization(WHO)
By Janda, Louis
By Cara Flanagan, Matt Jarvis, Rob Liddle
By James Mann, Robert Goldman
By Colman, Andrew M.
By Edward F. Edinger, J.Gary Sparks