Cita APA (7th ed.)

SEKARAN UMA. (2003). RESEARCH METHODS FOR BUSINESS; SKILL BUILDING APPR. JOHN WILEY AND SONS.

Cita Chicago (17th ed.)

SEKARAN UMA. RESEARCH METHODS FOR BUSINESS; SKILL BUILDING APPR. NEW YORK: JOHN WILEY AND SONS, 2003.

Cita MLA (9th ed.)

SEKARAN UMA. RESEARCH METHODS FOR BUSINESS; SKILL BUILDING APPR. JOHN WILEY AND SONS, 2003.