van der Zweerde, T., Van Straten, A., Effting, M., Kyle, S., & Lancee, J. (2018). Does online insomnia treatment reduce depressive symptoms? A randomized controlled trial in individuals with both insomnia and depressive symptoms. Cambridge University Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)van der Zweerde, T., A. Van Straten, M. Effting, S. Kyle, و J. Lancee. Does Online Insomnia Treatment Reduce Depressive Symptoms? A Randomized Controlled Trial in Individuals with Both Insomnia and Depressive Symptoms. Cambridge University Press, 2018.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)van der Zweerde, T., et al. Does Online Insomnia Treatment Reduce Depressive Symptoms? A Randomized Controlled Trial in Individuals with Both Insomnia and Depressive Symptoms. Cambridge University Press, 2018.