Παραπομπή APA

Backhurst J.R., & Harker, J. H. (1994). Chemical engineering: Vol.4 :Solution to the problems in chemical engineering volume l (2th ed.). Oxford: Pergamon.

Παραπομπή Chicago Style

Backhurst J.R., and J. H. Harker. Chemical Engineering: Vol.4 :Solution to the Problems in Chemical Engineering Volume L. 2th ed. Oxford: Pergamon, 1994.

Παραπομπή MLA

Backhurst J.R., and J. H. Harker. Chemical Engineering: Vol.4 :Solution to the Problems in Chemical Engineering Volume L. 2th ed. Oxford: Pergamon, 1994.

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