Shelley, J. (1984). Essentials of Fortran 77. J. Wiley.
Chicago-čujuhus (17. p.)Shelley, John. Essentials of Fortran 77. Chichester [West Sussex] ; New York: J. Wiley, 1984.
MLA-čujuhus (9. p.)Shelley, John. Essentials of Fortran 77. J. Wiley, 1984.
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