Spengler, J. J. (1975). Zero population growth: Implications. Carolina Population Center, University of North Carolina at Chapel Hill.
Style de citation Chicago (17e éd.)Spengler, Joseph John. Zero Population Growth: Implications. Chapel Hill: Carolina Population Center, University of North Carolina at Chapel Hill, 1975.
Style de citation MLA (9e éd.)Spengler, Joseph John. Zero Population Growth: Implications. Carolina Population Center, University of North Carolina at Chapel Hill, 1975.
Attention : ces citations peuvent ne pas être correctes à 100%.