APA ציטוט

Hahn, A. V. G. (1970). The petrochemical industry: Market and economics. New York: McGraw-Hill.

Trích dẫn kiểu Chicago

Hahn, Albert V. G. The Petrochemical Industry: Market and Economics. New York: McGraw-Hill, 1970.

ציטוט MLA

Hahn, Albert V. G. The Petrochemical Industry: Market and Economics. New York: McGraw-Hill, 1970.