Urban ecology : an international perspective on the interaction between humans and nature / J. M. Marzluff [et al.], 2008 r=on-line. - Текст : электронный.
Financial Market Integration and Growth : Structural Change and Economic Dynamics in the European Union / edited by Paul J.J. Welfens, Cillian Ryan., 2011 r=on-line (Введено оглавление). - Текст : электронный.