Cita APA (7th ed.)

KOTHARI C R. (1987). RESEARCH METHODOLOGY: METHODS AND TECHNIQUES (2.). WILEY EASTERN LTD.

Cita Chicago (17th ed.)

KOTHARI C R. RESEARCH METHODOLOGY: METHODS AND TECHNIQUES. 2. NEW DELHI: WILEY EASTERN LTD, 1987.

Cita MLA (9th ed.)

KOTHARI C R. RESEARCH METHODOLOGY: METHODS AND TECHNIQUES. 2. WILEY EASTERN LTD, 1987.