Não informado. (1961). Australian and New Zealand Journal of Obstetrics and Gynaecology. Australian and New Zealand, Council of the Royal College of Obstetricians.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Não informado. Australian and New Zealand Journal of Obstetrics and Gynaecology. Melbourne, Australia: Australian and New Zealand, Council of the Royal College of Obstetricians, 1961.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Não informado. Australian and New Zealand Journal of Obstetrics and Gynaecology. Australian and New Zealand, Council of the Royal College of Obstetricians, 1961.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.