ROBINSON, S. (1989). Midwifes, research and childbrith.volome 1. Business Media.
Cita Chicago (17th ed.)ROBINSON, Sarah. Midwifes, Research and Childbrith.volome 1. Business Media, 1989.
Cita MLA (9th ed.)ROBINSON, Sarah. Midwifes, Research and Childbrith.volome 1. Business Media, 1989.
Atenció: Aquestes cites poden no estar 100% correctes.