APA-čujuhus (7. p.)

Spellman, F. R. (2021). Fundamentals of public utilities management (First edition.). CRC Press.

Chicago-čujuhus (17. p.)

Spellman, Frank R. Fundamentals of Public Utilities Management. First edition. Boca Raton, FL: CRC Press, 2021.

MLA-čujuhus (9. p.)

Spellman, Frank R. Fundamentals of Public Utilities Management. First edition. CRC Press, 2021.

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