APA استشهاد

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

استشهاد بنمط شيكاغو

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

MLA استشهاد

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