O'Brien, J. A. (1968). Family planning in an exploding population ([1st ed.].). Hawthorn Books.
Cita Chicago Style (17a ed.)O'Brien, John A. Family Planning in an Exploding Population. [1st ed.]. New York: Hawthorn Books, 1968.
Cita MLA (9a ed.)O'Brien, John A. Family Planning in an Exploding Population. [1st ed.]. Hawthorn Books, 1968.
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