APA-čujuhus (7. p.)
Estes, J. W., & Ellis, B. R. (1973). Elements of computer science. Canfield Press.
Chicago-čujuhus (17. p.)
Estes, James W., juo B. Robert Ellis. Elements of Computer Science. San Francisco: Canfield Press, 1973.
MLA-čujuhus (9. p.)
Estes, James W., juo B. Robert Ellis. Elements of Computer Science. Canfield Press, 1973.
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