Lua APA (7ú heag.)

Pitman, I. (1913). Key to Course in Isaac Pitman shorthand (Centenary ed. .). I. Pitman & Sons.

Lua i Stíl Chicago (17ú heag.)

Pitman, Isaac. Key to Course in Isaac Pitman Shorthand. Centenary ed. . New York: I. Pitman & Sons, 1913.

Lua MLA (8ú heag.)

Pitman, Isaac. Key to Course in Isaac Pitman Shorthand. Centenary ed. . I. Pitman & Sons, 1913.

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