Lua APA (7ú heag.)

CALLAHAN, M., & NICKANIS. (1990). Guide to shareware: Dr. File Finders. McGraw Hill.

Lua i Stíl Chicago (17ú heag.)

CALLAHAN, Mike, agus NICKANIS. Guide to Shareware: Dr. File Finders. New York: McGraw Hill, 1990.

Lua MLA (9ú heag.)

CALLAHAN, Mike, agus NICKANIS. Guide to Shareware: Dr. File Finders. McGraw Hill, 1990.

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