Crosfield, A. W. E. (1913). Pitman's telegraph ciphers: (in accordance with the decisions and regulations of the Lisbon international telegraph convention 1908) : a condensed vocabulary of 101 million pronounceable artificial words ... Sir Isaac Pitman & Sons.
Cita Chicago Style (17a ed.)Crosfield, A. W. E. Pitman's Telegraph Ciphers: (in Accordance with the Decisions and Regulations of the Lisbon International Telegraph Convention 1908) : A Condensed Vocabulary of 101 Million Pronounceable Artificial Words ... London [etc.]: Sir Isaac Pitman & Sons, 1913.
Cita MLA (9a ed.)Crosfield, A. W. E. Pitman's Telegraph Ciphers: (in Accordance with the Decisions and Regulations of the Lisbon International Telegraph Convention 1908) : A Condensed Vocabulary of 101 Million Pronounceable Artificial Words ... Sir Isaac Pitman & Sons, 1913.