Παραπομπή σε μορφή APA (7η εκδ.)

Grupp, H. (1998). Foundations of the economics of innovation: Theory, measurement, and practice. Edward Elgar.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Grupp, Hariolf. Foundations of the Economics of Innovation: Theory, Measurement, and Practice. Cheltenham, UK Northampton, MA: Edward Elgar, 1998.

Παραπομπή σε μορφή MLA (8th εκδ.)

Grupp, Hariolf. Foundations of the Economics of Innovation: Theory, Measurement, and Practice. Edward Elgar, 1998.