APA استشهاد

Gibbs,Christopher, & Fumo,Claudia. (1999). Non-governmental organisations in world bank supported projects: :a review. The World Bank.

استشهاد بنمط شيكاغو

Gibbs,Christopher, و Fumo,Claudia. Non-governmental Organisations in World Bank Supported Projects: :a Review. Washington: The World Bank, 1999.

MLA استشهاد

Gibbs,Christopher, و Fumo,Claudia. Non-governmental Organisations in World Bank Supported Projects: :a Review. The World Bank, 1999.