Brink, S. (2013). The fourth trimester: Understanding, protecting and nurturing an infant through the first three months. University of California Press.
Lua i Stíl Chicago (17ú heag.)Brink, Susan. The Fourth Trimester: Understanding, Protecting and Nurturing an Infant Through the First Three Months. Berkeley: University of California Press, 2013.
Lua MLA (9ú heag.)Brink, Susan. The Fourth Trimester: Understanding, Protecting and Nurturing an Infant Through the First Three Months. University of California Press, 2013.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.