ALLEN C F H. (1951). SIX MEMBERD HETROCYCLIC NITROGEN COMPOUNDS WITH FOUR CONDENSED RINGS VOL 2. INTERSCIENCE.
Chicago Edition CitationALLEN C F H. SIX MEMBERD HETROCYCLIC NITROGEN COMPOUNDS WITH FOUR CONDENSED RINGS VOL 2. LONDON: INTERSCIENCE, 1951.
Cita MLAALLEN C F H. SIX MEMBERD HETROCYCLIC NITROGEN COMPOUNDS WITH FOUR CONDENSED RINGS VOL 2. INTERSCIENCE, 1951.
Atenció: Aquestes cites poden no estar 100% correctes.