Happel, J. (1986). Isotopic assessment of heterogeneous catalysis. Academic Press. https://doi.org/10.1016/B978-0-12-324165-8.X5001-2
Čikaški stil citiranja (17. izdanje)Happel, John. Isotopic Assessment of Heterogeneous Catalysis. Orlando: Academic Press, 1986. https://doi.org/10.1016/B978-0-12-324165-8.X5001-2.
MLA način citiranja (9. izdanje)Happel, John. Isotopic Assessment of Heterogeneous Catalysis. Academic Press, 1986. https://doi.org/10.1016/B978-0-12-324165-8.X5001-2.
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