APA-viite

O'Dea, V. (1998). Better business by phone: A guide to effective telebusiness management. Macmillan business.

Chicago-tyylinen lähdeviittaus

O'Dea, Valerie. Better Business by Phone: A Guide to Effective Telebusiness Management. Macmillan business, 1998.

MLA-viite

O'Dea, Valerie. Better Business by Phone: A Guide to Effective Telebusiness Management. Macmillan business, 1998.