Παραπομπή APA

Oh, J. K. (2006). Echo manual (3rd ed.). Wolters Kluwer India Pvt Ltd.

Παραπομπή Chicago Style

Oh, Jae Ketc. Echo Manual. 3rd ed. New Delhi: Wolters Kluwer India Pvt Ltd, 2006.

Παραπομπή MLA

Oh, Jae Ketc. Echo Manual. 3rd ed. Wolters Kluwer India Pvt Ltd, 2006.