APA
Martens B., Murrell P. e. a. & Mummert U. (2002). The institutional economics of foreign aid. Cambridge: Cambridge Uni Pr.
Chicago
Martens Bertin, Murrell Peter et al and Mummert Uwe. 2002. The institutional economics of foreign aid. Cambridge: Cambridge Uni Pr.
Harvard
Martens B., Murrell P. e. a. and Mummert U. (2002). The institutional economics of foreign aid. Cambridge: Cambridge Uni Pr.
MLA
Martens Bertin, Murrell Peter et al and Mummert Uwe. The institutional economics of foreign aid. Cambridge: Cambridge Uni Pr. 2002.