JONES RUSSEL. (1985). RESEARCH METHODS IN THE SOCIAL AND BEHAVIOROL SCIENCES. SINANER ASSOCIATION.
Cita Chicago (17th ed.)JONES RUSSEL. RESEARCH METHODS IN THE SOCIAL AND BEHAVIOROL SCIENCES. MASSCEHUSETTS: SINANER ASSOCIATION, 1985.
Cita MLA (9th ed.)JONES RUSSEL. RESEARCH METHODS IN THE SOCIAL AND BEHAVIOROL SCIENCES. SINANER ASSOCIATION, 1985.
Atenció: Aquestes cites poden no estar 100% correctes.