Cita APA

Bos, E., Stephens, P. W., & Vu, M. T. (1991). Europe, Middle East, and North Africa Region population projections: 1990-91. Washington: World Bank.

Citación estilo Chicago

Bos, Eduard, Patience W. Stephens, and My T. Vu. Europe, Middle East, and North Africa Region Population Projections: 1990-91. Washington: World Bank, 1991.

Cita MLA

Bos, Eduard, Patience W. Stephens, and My T. Vu. Europe, Middle East, and North Africa Region Population Projections: 1990-91. Washington: World Bank, 1991.