APA (7 ম সংস্করণ) উদ্ধৃতি

Koop, G., Osiewalski, J., & Steel, M. F. (1995). Measuring the sources of output growth in a panel of countries. Center for Operations Research & Econometrics.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Koop, Gary, Jacek Osiewalski, এবং Mark F.J Steel. Measuring the Sources of Output Growth in a Panel of Countries. Belgium: Center for Operations Research & Econometrics, 1995.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Koop, Gary, et al. Measuring the Sources of Output Growth in a Panel of Countries. Center for Operations Research & Econometrics, 1995.