Gaya APA

Ettlie, J, E. (2006). Managing Innovation : New Technology, New Products, and New Services in a Global Economy . Oxford, England: Elsevier Butterwort-Heinemann.

Gaya MLA

Ettlie, John, E. "Managing Innovation : New Technology, New Products, and New Services in a Global Economy". Oxford, England: Elsevier Butterwort-Heinemann, 2006. .