European Association of National Productivity Centres. Development Problems Working Group. (1973). Productivity measurement: Papers presented to a meeting of the Development Problems Working Group of the European Association of National Productivity Centres (Athens, October 17-20, 1972). Athens: Greek Productivity Centre.
Παραπομπή Chicago StyleEuropean Association of National Productivity Centres. Development Problems Working Group. Productivity Measurement: Papers Presented to a Meeting of the Development Problems Working Group of the European Association of National Productivity Centres (Athens, October 17-20, 1972). Athens: Greek Productivity Centre, 1973.
Παραπομπή MLAEuropean Association of National Productivity Centres. Development Problems Working Group. Productivity Measurement: Papers Presented to a Meeting of the Development Problems Working Group of the European Association of National Productivity Centres (Athens, October 17-20, 1972). Athens: Greek Productivity Centre, 1973.