Cita APA (7th ed.)

Barclay, I. (2000). New product development a practice workbook for improving.

Cita Chicago (17th ed.)

Barclay, Ian. New Product Development a Practice Workbook for Improving. Oxford, 2000.

Cita MLA (9th ed.)

Barclay, Ian. New Product Development a Practice Workbook for Improving. 2000.