Lua APA (7ú heag.)

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

Lua i Stíl Chicago (17ú heag.)

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

Lua MLA (9ú heag.)

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

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