Tolong jelaskan mengenai Rujukan dari Humanae Vitae dalam bahasa melayu

The Encyclical Letter  'Humanae Vitae'  on the Vatican website

Original Latin text of Humanae Vitae

The Humanae Vitae controversy, chapter from George Weigel s biography of Karol Wojtyla

G. EM Anscombe:  Contraception and Chastity

Cardinal Varkey s Letter on Family Planning Trends Among Catholics: Varkey Cardinal Vithayathil,  Kerala, India

Natural Family Planning, John and Sheila Kippley s website that supports Humanae Vitae and provides instruction in natural family planning

The Vindication of Humanae Vitae, by Mary Eberstadt, First Things Magazine, August / September issue, 2008.