APA
Jones S., Unu Wider, . (2011). Aid supplies over time: Accounting for heterogeneity, trends. Helsinki: UNU-WIDER.
Chicago
Jones Sam, Unu Wider, . 2011. Aid supplies over time: Accounting for heterogeneity, trends. Helsinki: UNU-WIDER.
Harvard
Jones S., Unu Wider, . (2011). Aid supplies over time: Accounting for heterogeneity, trends. Helsinki: UNU-WIDER.
MLA
Jones Sam, Unu Wider, . Aid supplies over time: Accounting for heterogeneity, trends. Helsinki: UNU-WIDER. 2011.