Lua APA (7ú heag.)
Golding, E. W., & Widdis, F. C. (1968). Electrical measurements and measuring instruments (5th ed.). Pitman.
Lua i Stíl Chicago (17ú heag.)
Golding, E. W., agus Frederick Charles Widdis. Electrical Measurements and Measuring Instruments. 5th ed. London: Pitman, 1968.
Lua MLA (9ú heag.)
Golding, E. W., agus Frederick Charles Widdis. Electrical Measurements and Measuring Instruments. 5th ed. Pitman, 1968.
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