Gaya APA
GR., K, E. (1979).
Advanced Electrotechnology For Engineers : Volume 7 (Second Edition).
Sunderland and London:
Thomas Reed Publication s Limited.
Gaya MLA
GR., Kraal, Edmund.
"Advanced Electrotechnology For Engineers : Volume 7".
Second Edition
Sunderland and London:
Thomas Reed Publication s Limited,
1979.
Text.