Johnson, S. (2019). Nurse Led Group New OB Visits. Oscar Rennebohm Library.
Chicago Style aipamenaJohnson, Shabvon. Nurse Led Group New OB Visits. Oscar Rennebohm Library, 2019.
MLA aipamenaJohnson, Shabvon. Nurse Led Group New OB Visits. Oscar Rennebohm Library, 2019.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.