Allen, C. F. H., & Burness, D. M. (1951). Six-membered heterocyclic nitrogen compounds with four condensed rings. New York: Interscience Publishers.
Παραπομπή Chicago StyleAllen, C. F. H., and D. M. Burness. Six-membered Heterocyclic Nitrogen Compounds With Four Condensed Rings. New York: Interscience Publishers, 1951.
Παραπομπή MLAAllen, C. F. H., and D. M. Burness. Six-membered Heterocyclic Nitrogen Compounds With Four Condensed Rings. New York: Interscience Publishers, 1951.
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