Cleaves, C. S., Dudenhefer, P., & Hobbs, M. J. (1983). Basic mathematics for trades and technologies. Prentice-Hall.
Chicago-viite (17. p.)Cleaves, Cheryl S., Paul Dudenhefer, ja Margie J. Hobbs. Basic Mathematics for Trades and Technologies. Englewood Cliffs, N.J.: Prentice-Hall, 1983.
MLA-viite (9. p.)Cleaves, Cheryl S., et al. Basic Mathematics for Trades and Technologies. Prentice-Hall, 1983.
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