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.
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Chicago Style (17th ed.) Zitazioa
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.
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MLA (9th ed.) Zitazioa
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.
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