Cita APA (7th ed.)
Howard, G. S. (1985). Basic Research methods in the social sciences. Scott, Foresman and Co.
Cita Chicago (17th ed.)
Howard, George S. Basic Research Methods in the Social Sciences. Illinois: Scott, Foresman and Co, 1985.
Cita MLA (9th ed.)
Howard, George S. Basic Research Methods in the Social Sciences. Scott, Foresman and Co, 1985.
Atenció: Aquestes cites poden no estar 100% correctes.