Trích dẫn APA

Langdon, D. B. (1951). Practice of book keeping with some opinions on its nature, status and future. Phoneniox house.

Trích dẫn kiểu Chicago

Langdon, Daviers B.N. Practice of Book Keeping with Some Opinions on Its Nature, Status and Future. London: Phoneniox house, 1951.

Trích dẫn MLA

Langdon, Daviers B.N. Practice of Book Keeping with Some Opinions on Its Nature, Status and Future. Phoneniox house, 1951.

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