United States. Agency for International Development. (1976). Opportunity for self-reliance: An overview of the Sahel development potential. Agency for International Development.
Cytowanie według stylu Chicago (wyd. 17)United States. Agency for International Development. Opportunity for Self-reliance: An Overview of the Sahel Development Potential. Washington: Agency for International Development, 1976.
Cytowanie według stylu MLA (wyd. 8)United States. Agency for International Development. Opportunity for Self-reliance: An Overview of the Sahel Development Potential. Agency for International Development, 1976.
Uwaga: Te cytaty mogą odróżniać się od wytycznej twojego fakultetu..