Παραπομπή APA

Hohenberg, P. M. (1967). Chemicals in western Europe:1850-1914: An economic study of technical change. Chicago: Rand McNally And Company.

Παραπομπή Chicago Style

Hohenberg, Paul M. Chemicals in Western Europe:1850-1914: An Economic Study of Technical Change. Chicago: Rand McNally And Company, 1967.

Παραπομπή MLA

Hohenberg, Paul M. Chemicals in Western Europe:1850-1914: An Economic Study of Technical Change. Chicago: Rand McNally And Company, 1967.

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