APA aipamena

Gray, J., & Hale, C. L. Problems of World Poverty. London: The Council for War on Want.

Chicago Style aipamena

Gray, J.C, and C. Leslie Hale. Problems of World Poverty. London: The Council for War on Want.

MLA aipamena

Gray, J.C, and C. Leslie Hale. Problems of World Poverty. London: The Council for War on Want.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.