Park, S., Coull, J., McShane, R., Young, A., Sahakian, B., Robbins, T., & Cowen, P. (1994). Tryptophan depletion in normal volunteers produces selective impairments in learning and memory.
Citação norma ChicagoPark, S., J. Coull, R. McShane, A. Young, B. Sahakian, T. Robbins, and P. Cowen. Tryptophan Depletion in Normal Volunteers Produces Selective Impairments in Learning and Memory. 1994.
Citação norma MLAPark, S., et al. Tryptophan Depletion in Normal Volunteers Produces Selective Impairments in Learning and Memory. 1994.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.