APA (7th ed.) Citation

United Nations Educational, Scientific and Cultural Organization. (1991). Statistical yearbook 1991- (1. Edisyon.). UNESCO.

Chicago Style (17th ed.) Citation

United Nations Educational, Scientific and Cultural Organization. Statistical Yearbook 1991-. 1. Edisyon. Paris: UNESCO, 1991.

MLA (9th ed.) Citation

United Nations Educational, Scientific and Cultural Organization. Statistical Yearbook 1991-. 1. Edisyon. UNESCO, 1991.

Warning: These citations may not always be 100% accurate.