Dyfyniad APA

Field, M. A. (1990). Surrogate motherhood (Expanded ed.). Harvard University Press.

Dyfyniad Arddull Chicago

Field, Martha A. Surrogate Motherhood. Expanded ed. Cambridge, MA: Harvard University Press, 1990.

Dyfyniad MLA

Field, Martha A. Surrogate Motherhood. Expanded ed. Harvard University Press, 1990.

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