Gaya APA

Wlody, D, R, G, D, J., Bucklin, B, A. (2009). A practical approach to obstetric anesthesia (1). : Lippincott Williams & Wilkins.

Gaya MLA

Wlody, David, R., Gambling, David, J.., Bucklin, Brenda, A.. "A practical approach to obstetric anesthesia". 1 : Lippincott Williams & Wilkins, 2009. Text.