CHOPRA M G. (1983). FORTRAN IV PROGRAMMING (3RD.). VIKAS PUBLISHING HOUSE PVT. LTD.
Chicago-čujuhus (17. p.)CHOPRA M G. FORTRAN IV PROGRAMMING. 3RD. NEW DELHI: VIKAS PUBLISHING HOUSE PVT. LTD, 1983.
MLA-čujuhus (9. p.)CHOPRA M G. FORTRAN IV PROGRAMMING. 3RD. VIKAS PUBLISHING HOUSE PVT. LTD, 1983.
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