APA-viite (7. p.)

Sing , A. (2000). Creating Customer - driven quality. Excel Book.

Chicago-viite (17. p.)

Sing , Akhilesh. Creating Customer - Driven Quality. New Delhi]: Excel Book, 2000.

MLA-viite (9. p.)

Sing , Akhilesh. Creating Customer - Driven Quality. Excel Book, 2000.