APA

Kurtz N. R., . (1983). Introduction to social statistics. New York [u.a.]: McGraw-Hill.

Chicago

Kurtz Norman R, . 1983. Introduction to social statistics. New York [u.a.]: McGraw-Hill.

Harvard

Kurtz N. R., . (1983). Introduction to social statistics. New York [u.a.]: McGraw-Hill.

MLA

Kurtz Norman R, . Introduction to social statistics. New York [u.a.]: McGraw-Hill. 1983.