SpringerLink (Online service), Krstić, G., & Schneider, F. (2015). Formalizing the Shadow Economy in Serbia: Policy Measures and Growth Effects. Springer International Publishing : Imprint: Springer. https://doi.org/10.1007/978-3-319-13437-6
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিSpringerLink (Online service), Gorana Krstić, এবং Friedrich Schneider. Formalizing the Shadow Economy in Serbia: Policy Measures and Growth Effects. Cham: Springer International Publishing : Imprint: Springer, 2015. https://doi.org/10.1007/978-3-319-13437-6.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিSpringerLink (Online service), et al. Formalizing the Shadow Economy in Serbia: Policy Measures and Growth Effects. Springer International Publishing : Imprint: Springer, 2015. https://doi.org/10.1007/978-3-319-13437-6.