Frankel, L. B. (1970). This crowded world; an introduction to the study of population. Columbia Books.
Style de citation Chicago (17e éd.)Frankel, Lillian Berson. This Crowded World; an Introduction to the Study of Population. Washington: Columbia Books, 1970.
Style de citation MLA (9e éd.)Frankel, Lillian Berson. This Crowded World; an Introduction to the Study of Population. Columbia Books, 1970.
Attention : ces citations peuvent ne pas être correctes à 100%.