Putzi-Ortiz, S. (2008). A to Z world lifecycles: 175 countries - birth, childhood, coming of age, dating and courtship, marriage, family and parenting, work life, old age and death. World Trade Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Putzi-Ortiz, Sibylla. A to Z World Lifecycles: 175 Countries - Birth, Childhood, Coming of Age, Dating and Courtship, Marriage, Family and Parenting, Work Life, Old Age and Death. Petaluma: World Trade Press, 2008.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Putzi-Ortiz, Sibylla. A to Z World Lifecycles: 175 Countries - Birth, Childhood, Coming of Age, Dating and Courtship, Marriage, Family and Parenting, Work Life, Old Age and Death. World Trade Press, 2008.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.