EAVES, R. W., & EAVES, R. W. (1985). Programming Principles With Cobol Ii Ronald W. Eaves Anddon B. Medley. South-Western Publishing Co.
Lua i Stíl Chicago (17ú heag.)EAVES, Ronald W., agus Ronald W. EAVES. Programming Principles With Cobol Ii Ronald W. Eaves Anddon B. Medley. South-Western Publishing Co, 1985.
Lua MLA (8ú heag.)EAVES, Ronald W., agus Ronald W. EAVES. Programming Principles With Cobol Ii Ronald W. Eaves Anddon B. Medley. South-Western Publishing Co, 1985.
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