APA-viite

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

Chicago-tyylinen lähdeviittaus

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

MLA-viite

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