@Article{ Spielberger_Carretero-Dios_DE_BUELA:51-69,

author = { Charles Spielberger and Hugo Carretero-Dios and MACARENA DE LOS SANTOS ROIG and GUALBERTO BUELA CASAL } ,

title = { Spanish experimental version of State-Trait Depression Questionnaire: The Trait Subscale. },

journal = { International Journal of Clinical and Health Psychology },

year = { 2002 },

volume = { 29 },

pages = { 51-69 },

}