APA (7. basım) Alıntı

Sigma Insight Group. (2004). Corporate Strategy. Sigma Insight Group.

Chicago Style (17. basım) Atıf

Sigma Insight Group. Corporate Strategy. Seoul, korea: Sigma Insight Group, 2004.

MLA (8th ed.) Atıf

Sigma Insight Group. Corporate Strategy. Sigma Insight Group, 2004.