Παραπομπή σε μορφή APA (7η εκδ.)

Hoeffler, A., & Outram, V. (2008). Need, merit or self-interest: What determines the allocation of aid? University of Oxford.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Hoeffler, A., και V. Outram. Need, Merit or Self-interest: What Determines the Allocation of Aid? University of Oxford, 2008.

Παραπομπή σε μορφή MLA (9th εκδ.)

Hoeffler, A., και V. Outram. Need, Merit or Self-interest: What Determines the Allocation of Aid? University of Oxford, 2008.