Pontificia Academia pro Vita., Sgreccia, E., & Laffitte, J. (2007). The human embryo before implantation: Scientific aspects and bioethical considerations : proceedings of the twelfth Assembly of the Pontifical Academy for Life, (Vatican City, 27 February-1 March 2006). Libreria Editrice Vaticana.
Cita Chicago Style (17a ed.)Pontificia Academia pro Vita., Elio Sgreccia, y Jean Laffitte. The Human Embryo Before Implantation: Scientific Aspects and Bioethical Considerations : Proceedings of the Twelfth Assembly of the Pontifical Academy for Life, (Vatican City, 27 February-1 March 2006). Città del Vaticano: Libreria Editrice Vaticana, 2007.
Cita MLA (9a ed.)Pontificia Academia pro Vita., et al. The Human Embryo Before Implantation: Scientific Aspects and Bioethical Considerations : Proceedings of the Twelfth Assembly of the Pontifical Academy for Life, (Vatican City, 27 February-1 March 2006). Libreria Editrice Vaticana, 2007.
