Dyfyniad APA

Mark, H. F., Krik, R. E., Othmer, D. F., & Overberger,Charles G. (1984). Encyclopaedia of chemical technology V.12: Gravity concentration to hydrogen energy (3.). Wiley- Interscience Publications.

Dyfyniad Arddull Chicago

Mark, Herman F., Raymond Eller Krik, Donald F. Othmer, and Overberger,Charles G. Encyclopaedia of Chemical Technology V.12: Gravity Concentration to Hydrogen Energy. 3. New York: Wiley- Interscience Publications, 1984.

Dyfyniad MLA

Mark, Herman F., et al. Encyclopaedia of Chemical Technology V.12: Gravity Concentration to Hydrogen Energy. 3. Wiley- Interscience Publications, 1984.

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