جنبش پیشگیری از بارداری ایالات متحده: تفاوت میان نسخه‌ها

* {{cite book | last = Cox | first = Vicki |author-link= | title = Margaret Sanger: Rebel For Women's Rights | year = 2004 | publisher = Chelsea House Publications | location = | isbn = 0-7910-8030-7 | ref = harv}}

* {{cite book | last = Cullen DuPont | first = Kathryn |author-link= | title = "Contraception" in Encyclopedia of women's history in America | year = 2000 | publisher = Infobase Publishing | location = | isbn = 0-7910-8030-7 | ref = harv}}

* {{cite book | last = Engelman | first = Peter C. |author-link= | title = A History of the Birth Control Movement in America | year = 2011 | publisher = ABC-CLIO | location = | isbn = 978-0-313-36509-6 | ref = harv}}

* {{cite book | last = Engelman | first = Peter C. |author-link= | title = "Margaret Sanger", article in Encyclopedia of Leadership, Volume 4 | editors = George R. Goethals, et al | year = 2004 | publisher = | location = | isbn = | ref = harv}}