BLALOCK, H. M., Jr. (1984). Basic dilemmas in the social sciences. SAGE.
Cita Chicago (17th ed.)BLALOCK, Hubert M., Jr. Basic Dilemmas in the Social Sciences. Newbury Park: SAGE, 1984.
Cita MLA (9th ed.)BLALOCK, Hubert M., Jr. Basic Dilemmas in the Social Sciences. SAGE, 1984.
Atenció: Aquestes cites poden no estar 100% correctes.