Polkinghorne, D. 1., & Polkinghorne, D. 1. (1983). Methodology for the human sciences: Systems of inquiry. Albany, N.Y.: State University of New York.
Citación estilo ChicagoPolkinghorne, Donald 1936-, y Donald 1936- Polkinghorne. Methodology for the Human Sciences: Systems of Inquiry. Albany, N.Y.: State University of New York, 1983.
Cita MLAPolkinghorne, Donald 1936-, y Donald 1936- Polkinghorne. Methodology for the Human Sciences: Systems of Inquiry. Albany, N.Y.: State University of New York, 1983.
Precaución: Estas citas no son 100% exactas.