Gaya APA

VITIELLO, M, V. et al (2014). Short-term improvement in insomnia symptoms predicts long-term improvements in sleep, pain, and fatigue in older adults with comorbid osteoarthritis and insomnia . Washington: IASP.

Gaya MLA

VITIELLO, Michael, V. et al. "Short-term improvement in insomnia symptoms predicts long-term improvements in sleep, pain, and fatigue in older adults with comorbid osteoarthritis and insomnia". Washington: IASP, 2014. Artikel.