APA aipamena

Gilbert, C., Powell, A., & Vines, D. (1999). Positioning the World Bank.

Chicago Style aipamena

Gilbert, C., A. Powell, and D. Vines. Positioning the World Bank. 1999.

MLA aipamena

Gilbert, C., et al. Positioning the World Bank. 1999.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.