Παραπομπή APA

Norman K.Denzin. (1970). The Research Act A Theoretical Introduction to Sociological Methods.

Παραπομπή Chicago Style

Norman K.Denzin. The Research Act A Theoretical Introduction to Sociological Methods. McGraw - Hill Book Company, New York, 1970.

Παραπομπή MLA

Norman K.Denzin. The Research Act A Theoretical Introduction to Sociological Methods. 1970.