Bieta, V., Milde, H., & Weber, N. [ca. 2010]. A flaw in the model…that defines how the world works [Cd]. Washington, D.C: The World Bank. https://doi.org/10.1596/1813-9450-5498

BIETA, Volker, MILDE, Hellmuth und WEBER, Nadine, 2010. A flaw in the model…that defines how the world works. Washington, D.C: The World Bank.

Bieta, V., H. Milde, und N. Weber. A flaw in the model…that defines how the world works. cd, The World Bank, 2010, https://doi.org/10.1596/1813-9450-5498.

Bieta, Volker/Milde, Hellmuth/Weber, Nadine: A flaw in the model…that defines how the world works, Washington, D.C 2010.

Bieta, V., Milde, H. und Weber, N. (2010), A flaw in the model…that defines how the world works, Bd. , The World Bank, Washington, D.C, verfügbar unter:https://doi.org/10.1596/1813-9450-5498.