APA aipamena

BASTON, H., & HALL, J. (2011). Midewifery essentials antenatal. EGC.

Chicago Style aipamena

BASTON, Helen, and Jennifer HALL. Midewifery Essentials Antenatal. EGC, 2011.

MLA aipamena

BASTON, Helen, and Jennifer HALL. Midewifery Essentials Antenatal. EGC, 2011.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.