APA引文

EFFECTIVE TARIFF .. & GRUBEL, H. G. (1971). Effective tariff protection. GATT and GIIS.

Chicago Style (17th ed.) Citation

EFFECTIVE TARIFF .. and Herbert G. GRUBEL. Effective Tariff Protection. Geneva: GATT and GIIS, 1971.

MLA引文

EFFECTIVE TARIFF .. and Herbert G. GRUBEL. Effective Tariff Protection. GATT and GIIS, 1971.

警告：這些引文格式不一定是100％准確.