APA (7 ম সংস্করণ) উদ্ধৃতি

Klemperer, P., & Padilla, A. (1993). Do Firms' Product Lines Include Too Many Varieties, and Do Shops Open Too Many Days? CEPR.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Klemperer, P., এবং A. Padilla. Do Firms' Product Lines Include Too Many Varieties, and Do Shops Open Too Many Days? CEPR, 1993.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Klemperer, P., এবং A. Padilla. Do Firms' Product Lines Include Too Many Varieties, and Do Shops Open Too Many Days? CEPR, 1993.