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Lua i Stíl Chicago (17ú heag.)Robert A. Hatcher agus 1937-. Contraceptive Technology, 1980-1981. 10th rev. ed. New York: Irvington Publishers, 1980.
Lua MLA (8ú heag.)Robert A. Hatcher agus 1937-. Contraceptive Technology, 1980-1981. 10th rev. ed. Irvington Publishers, 1980.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.