Padua, R., Padua, L., Ceccarelli, E., Romanini, E., Zanoli, G., Bondì, R., & Campi, A. (2001). Italian version of the Roland Disability Questionnaire, specific for low back pain: Cross-cultural adaptation and validation. Springer-Verlag.

Padua, R., L. Padua, E. Ceccarelli, E. Romanini, G. Zanoli, R. Bondì, und A. Campi. Italian Version of the Roland Disability Questionnaire, Specific for Low Back Pain: Cross-cultural Adaptation and Validation. Springer-Verlag, 2001.

Padua, R., et al. Italian Version of the Roland Disability Questionnaire, Specific for Low Back Pain: Cross-cultural Adaptation and Validation. Springer-Verlag, 2001.