APA引文

Haberler, G. International Trade Economic Development Gottfried Haberler. s.n.

Chicago Style (17th ed.) Citation

Haberler, Gottfried. International Trade Economic Development Gottfried Haberler. s.n.

MLA引文

Haberler, Gottfried. International Trade Economic Development Gottfried Haberler. s.n.

警告：这些引文格式不一定是100％准确.