Ackers, H. L., Ackers-Johnson, J., Chatwin, J., & Tyler, N. (2017). Healthcare, Frugal Innovation, and Professional Voluntarism: A Cost-Benefit Analysis. Springer International Publishing : Imprint: Palgrave Macmillan. https://doi.org/10.1007/978-3-319-48366-5
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিAckers, Helen Louise, James Ackers-Johnson, John Chatwin, এবং Natasha Tyler. Healthcare, Frugal Innovation, and Professional Voluntarism: A Cost-Benefit Analysis. Cham: Springer International Publishing : Imprint: Palgrave Macmillan, 2017. https://doi.org/10.1007/978-3-319-48366-5.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিAckers, Helen Louise, et al. Healthcare, Frugal Innovation, and Professional Voluntarism: A Cost-Benefit Analysis. Springer International Publishing : Imprint: Palgrave Macmillan, 2017. https://doi.org/10.1007/978-3-319-48366-5.