Παραπομπή APA

Blalock, H. M., & Blalock, A. B. (1968). Methodology in social research. McGraw-Hill.

Παραπομπή Chicago Style

Blalock, Hubert M., και Ann B. Blalock. Methodology in Social Research. New York: McGraw-Hill, 1968.

Παραπομπή MLA

Blalock, Hubert M., και Ann B. Blalock. Methodology in Social Research. McGraw-Hill, 1968.