Gaya APA

Varney, H. (2000). Varney's midwifery .Third edition, volume 1 (Ed.3, Vol.1). Boston: Jones and bartlett.

Gaya MLA

Varney, Helen. "Varney's midwifery .Third edition, volume 1". Ed.3, Vol.1 Boston: Jones and bartlett, 2000. Text.