Lua APA (7ú heag.)

Bohl, M. (1971). Flowcharting techniques. Science Research Associates.

Lua i Stíl Chicago (17ú heag.)

Bohl, Marilyn. Flowcharting Techniques. Chicago: Science Research Associates, 1971.

Lua MLA (9ú heag.)

Bohl, Marilyn. Flowcharting Techniques. Science Research Associates, 1971.

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