Gaya APA

Cohen, N, W. (1983). SILENT KNIFE: cesarean prevention & vaginal birth after cesarean (1). USA: Bergin & Garvey Publishers.

Gaya MLA

Cohen, Nancy, Wainer. "SILENT KNIFE: cesarean prevention & vaginal birth after cesarean". 1 USA: Bergin & Garvey Publishers, 1983. Text.