Myhrman, A. (1992). Unwanted pregnancy, its occurrence and significance for the family and the child. University of Oulu.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Myhrman, Antero. Unwanted Pregnancy, Its Occurrence and Significance for the Family and the Child. Oulu: University of Oulu, 1992.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Myhrman, Antero. Unwanted Pregnancy, Its Occurrence and Significance for the Family and the Child. University of Oulu, 1992.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.