Luth, F. A. K., Konig, H., & Cockburn, G. (1967). The planning of iron and steelworks (3rd completely rev. and enl. ed.). Berlin: Springer-Verlag.
Παραπομπή Chicago StyleLuth, Friedrich A. K., Horst Konig, and Gordon Cockburn. The Planning of Iron and Steelworks. 3rd completely rev. and enl. ed. Berlin: Springer-Verlag, 1967.
Παραπομπή MLALuth, Friedrich A. K., Horst Konig, and Gordon Cockburn. The Planning of Iron and Steelworks. 3rd completely rev. and enl. ed. Berlin: Springer-Verlag, 1967.
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