PETTOFREZZO, A. J. (1966). Vectors and their applications. Prentice-Hall.
Chicago-čujuhus (17. p.)PETTOFREZZO, Authony J. Vectors and Their Applications. New Jersey: Prentice-Hall, 1966.
MLA-čujuhus (9. p.)PETTOFREZZO, Authony J. Vectors and Their Applications. Prentice-Hall, 1966.
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