Freedman, Ronald
Family planning in Taiwan : an experiment in social change
Princeton University Press, 1969
 Buku Teks
Galbraith, John Kenneth, 1908-2006
Marketing efficiency in Puerto Rico
Harvard University Press, 1955
 Buku Teks
Wells, Henry
The modernization of Puerto Rico: apolitical study of changing values and institutions
Harvard University Press, 1969
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Friedrich, Carl J.
Puerto Rico : middle road to freedom
Rinehart, 1959
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Public health and population change : current research issues
edited by Mindel C. Sheps and Jeanne Clare Ridley
University of Pittsburgh Press, 1965
 Buku Teks