Παραπομπή APA

Cooper, R. G. (1998). Product leadership: Creating and launching superior new products. Perseus Books.

Παραπομπή Chicago Style

Cooper, Robert G. Product Leadership: Creating and Launching Superior New Products. Massachussets: Perseus Books, 1998.

Παραπομπή MLA

Cooper, Robert G. Product Leadership: Creating and Launching Superior New Products. Perseus Books, 1998.