Gaya APA

Obladen, M., Koehne, P. (2005). Interventions for Persisting Ductus Arteriosus in the Preterm Infant (1st ed.). Berlin, Heidelberg: Springer.

Gaya MLA

Obladen, Michael.., Koehne, P.. "Interventions for Persisting Ductus Arteriosus in the Preterm Infant". 1st ed. Berlin, Heidelberg: Springer, 2005. E Book.