Dyfyniad APA

Herrera León, L., & Martínez Barreiro, L. A. (2009). The multiple pregnancy: Is it really a factor of high obstetric risk?

Dyfyniad Arddull Chicago

Herrera León, Lorenzo, y Luis Armando Martínez Barreiro. The Multiple Pregnancy: Is It Really a Factor of High Obstetric Risk? 2009.

Dyfyniad MLA

Herrera León, Lorenzo, y Luis Armando Martínez Barreiro. The Multiple Pregnancy: Is It Really a Factor of High Obstetric Risk? 2009.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.