Spellman, F. R. (2021). Fundamentals of public utilities management (First edition.). CRC Press.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)Spellman, Frank R. Fundamentals of Public Utilities Management. First edition. Boca Raton, FL: CRC Press, 2021.
MLA -ийн эшлэл (9 дэх хэвлэлт)Spellman, Frank R. Fundamentals of Public Utilities Management. First edition. CRC Press, 2021.