Gaya APA

Evans, M, I., Fletcher, J, C. (1989). Fetal Diagnosis and Therapy: Science,Ethics,and the Law . Philadelphia: J.B.Lippincott.

Gaya MLA

Evans, Mark, I., Fletcher, John, C. "Fetal Diagnosis and Therapy: Science,Ethics,and the Law". Philadelphia: J.B.Lippincott, 1989. print.