APA-ийн эшлэл(7 дахь хэвлэлт)

SEKARAN UMA. (2006). RESEARCH METHODS FOR BUSINESS: A SKILL-BUILDING APPROACH (4TH.). WILEY INDIA.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

SEKARAN UMA. RESEARCH METHODS FOR BUSINESS: A SKILL-BUILDING APPROACH. 4TH. NEW DELHI: WILEY INDIA, 2006.

MLA -ийн эшлэл (9 дэх хэвлэлт)

SEKARAN UMA. RESEARCH METHODS FOR BUSINESS: A SKILL-BUILDING APPROACH. 4TH. WILEY INDIA, 2006.