Cita APA

Zachariah, K. C. (1988). World population projections 1987-88 ed. short - and long- term estimates. Baltimore: Hopkins University Press.

Citación estilo Chicago

Zachariah, K. C. World Population Projections 1987-88 Ed. Short - and Long- Term Estimates. Baltimore: Hopkins University Press, 1988.

Cita MLA

Zachariah, K. C. World Population Projections 1987-88 Ed. Short - and Long- Term Estimates. Baltimore: Hopkins University Press, 1988.