Cita APA (7a ed.)

COOPER DONALD R. (2009). BUSINESS RESEARCH METHODS. TATA MCGRAW-HILL.

Cita Chicago Style (17a ed.)

COOPER DONALD R. BUSINESS RESEARCH METHODS. NEW DELHI: TATA MCGRAW-HILL, 2009.

Cita MLA (9a ed.)

COOPER DONALD R. BUSINESS RESEARCH METHODS. TATA MCGRAW-HILL, 2009.