Shapiro, H. I. (1988). The new birth-control: Book a complete guide for women and men. Prentice Hall.
Lua i Stíl Chicago (17ú heag.)Shapiro, Howard I. The New Birth-control: Book a Complete Guide for Women and Men. Prentice Hall, 1988.
Lua MLA (9ú heag.)Shapiro, Howard I. The New Birth-control: Book a Complete Guide for Women and Men. Prentice Hall, 1988.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.