APA (7 ম সংস্করণ) উদ্ধৃতি

Gabszewicz, J. J., & Sonnac, N. (1997). Subscription as price discrimination device. Center for Operations Research & Econometrics.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Gabszewicz, Jean J., এবং Nathalie Sonnac. Subscription as Price Discrimination Device. Belgium: Center for Operations Research & Econometrics, 1997.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Gabszewicz, Jean J., এবং Nathalie Sonnac. Subscription as Price Discrimination Device. Center for Operations Research & Econometrics, 1997.