Παραπομπή σε μορφή APA (7η εκδ.)

Greek Productivity Centre. (1973). Productivity measurement: Papers presented to a meeting of the development problems working group of the European Association of National Productivity Centres. Greek Productivity Centre.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Greek Productivity Centre. Productivity Measurement: Papers Presented to a Meeting of the Development Problems Working Group of the European Association of National Productivity Centres. Athens: Greek Productivity Centre, 1973.

Παραπομπή σε μορφή MLA (8th εκδ.)

Greek Productivity Centre. Productivity Measurement: Papers Presented to a Meeting of the Development Problems Working Group of the European Association of National Productivity Centres. Greek Productivity Centre, 1973.