Gotsch, C. (1980). Prices, taxes, and subsidies in Pakistan agriculture, 1960-1976. World Bank.
Chicago Style aipamenaGotsch, Carl. Prices, Taxes, and Subsidies in Pakistan Agriculture, 1960-1976. Washington: World Bank, 1980.
MLA aipamenaGotsch, Carl. Prices, Taxes, and Subsidies in Pakistan Agriculture, 1960-1976. World Bank, 1980.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.