APA-čujuhus (7. p.)

Smith, R. J., Butler, B. R., & Le Bold, W. K. (1983). Engineering as a career. New York : McGraw-Hill.

Chicago-čujuhus (17. p.)

Smith, Ralph J., Blaine R. Butler, juo William K. Le Bold. Engineering as a Career. New York : McGraw-Hill, 1983.

MLA-čujuhus (9. p.)

Smith, Ralph J., et al. Engineering as a Career. New York : McGraw-Hill, 1983.

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