Citazione Stile APA (7a Edizione)

Hartwell, F. P. (2021). American electricians' handbook (Seventeenth edition.). McGraw-Hill.

Citazione stile Chigago Style (17a edizione)

Hartwell, Frederic P. American Electricians' Handbook. Seventeenth edition. New York: McGraw-Hill, 2021.

Citatione MLA (9a ed.)

Hartwell, Frederic P. American Electricians' Handbook. Seventeenth edition. McGraw-Hill, 2021.