Lua APA (7ú heag.)

Portella, M., Harmer, C., Flint, J., Cowen, P., & Goodwin, G. (2004). Elevated waking cortisol levels in neuroticism: A biological vulnerability factor for depressive disorders?

Lua i Stíl Chicago (17ú heag.)

Portella, M., C. Harmer, J. Flint, P. Cowen, agus G. Goodwin. Elevated Waking Cortisol Levels in Neuroticism: A Biological Vulnerability Factor for Depressive Disorders? 2004.

Lua MLA (9ú heag.)

Portella, M., et al. Elevated Waking Cortisol Levels in Neuroticism: A Biological Vulnerability Factor for Depressive Disorders? 2004.

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