APA-ийн эшлэл(7 дахь хэвлэлт)

SEKARAN, U. (2003). Research methods for business: A skill-building approach (4th ed.). John Wiley & Sons.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

SEKARAN, Uma. Research Methods for Business: A Skill-building Approach. 4th ed. New York: John Wiley & Sons, 2003.

MLA -ийн эшлэл (9 дэх хэвлэлт)

SEKARAN, Uma. Research Methods for Business: A Skill-building Approach. 4th ed. John Wiley & Sons, 2003.