APA (7th ed.) Zitazioa
Ross, E. A. (1924). Changes in the size of American families in one generation.
Chicago Style (17th ed.) Zitazioa
Ross, Edward Alsworth. Changes in the Size of American Families in One Generation. 1924.
MLA (9th ed.) Zitazioa
Ross, Edward Alsworth. Changes in the Size of American Families in One Generation. 1924.
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