Lua APA (7ú heag.)

KOTHARI C R. (2004). RESEARCH METHODOLOGY. NEW AGE INTERNATIONAL.

Lua i Stíl Chicago (17ú heag.)

KOTHARI C R. RESEARCH METHODOLOGY. NEW DELHI: NEW AGE INTERNATIONAL, 2004.

Lua MLA (9ú heag.)

KOTHARI C R. RESEARCH METHODOLOGY. NEW AGE INTERNATIONAL, 2004.

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