Παραπομπή APA

Shoup, C. S. (1973). The value-added. Athens: Center of Planning and Economic Research.

Παραπομπή Chicago Style

Shoup, Carl S. The Value-added. Athens: Center of Planning and Economic Research, 1973.

Παραπομπή MLA

Shoup, Carl S. The Value-added. Athens: Center of Planning and Economic Research, 1973.

Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.