Timmermans, E., van der Pas, S., Schaap, L., Cooper, C., Edwards, M., Gale, C., . . . Dennison, E. (2017). Associations between perceived neighbourhood problems and quality of life in older adults with and without osteoarthritis: Results from the Hertfordshire Cohort Study. Elsevier.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Timmermans, E., S. van der Pas, L. Schaap, C. Cooper, M. Edwards, C. Gale, D. Deeg, و E. Dennison. Associations Between Perceived Neighbourhood Problems and Quality of Life in Older Adults with and Without Osteoarthritis: Results from the Hertfordshire Cohort Study. Elsevier, 2017.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Timmermans, E., et al. Associations Between Perceived Neighbourhood Problems and Quality of Life in Older Adults with and Without Osteoarthritis: Results from the Hertfordshire Cohort Study. Elsevier, 2017.