Boctor, A. L. (1967). The I620 Basic Language Programming. The Institute of National Planning.
Chicago-čujuhus (17. p.)Boctor, Adel Louis. The I620 Basic Language Programming. Cairo: The Institute of National Planning, 1967.
MLA-čujuhus (9. p.)Boctor, Adel Louis. The I620 Basic Language Programming. The Institute of National Planning, 1967.
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