Langdon, D. B. (1951). Practice of book keeping with some opinions on its nature, status and future. Phoneniox house.
Chicago Edition CitationLangdon, Daviers B.N. Practice of Book Keeping with Some Opinions on Its Nature, Status and Future. London: Phoneniox house, 1951.
Deismireacht MLALangdon, Daviers B.N. Practice of Book Keeping with Some Opinions on Its Nature, Status and Future. Phoneniox house, 1951.
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