Brink, S. (2013). The fourth trimester: Understanding, protecting and nurturing an infant through the first three months. University of California Press.
Chicago-referens (17:e uppl.)Brink, Susan. The Fourth Trimester: Understanding, Protecting and Nurturing an Infant Through the First Three Months. Berkeley: University of California Press, 2013.
MLA-referens (9:e uppl.)Brink, Susan. The Fourth Trimester: Understanding, Protecting and Nurturing an Infant Through the First Three Months. University of California Press, 2013.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.