Klemperer, P., & Padilla, A. (1993). Do Firms' Product Lines Include Too Many Varieties, and Do Shops Open Too Many Days? CEPR.
Цитирование в стиле Чикаго (17-е изд.)Klemperer, P., и A. Padilla. Do Firms' Product Lines Include Too Many Varieties, and Do Shops Open Too Many Days? CEPR, 1993.
Цитирование MLA (9-е изд.)Klemperer, P., и A. Padilla. Do Firms' Product Lines Include Too Many Varieties, and Do Shops Open Too Many Days? CEPR, 1993.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.