Gaya APA
Gfink, D., Beaty, H, W. (1978).
Standard hand book for electrical engineers Buku IV (11).
New York:
McGraw Hill.
Gaya MLA
Gfink, Donald., Beaty, H., Wayne.
"Standard hand book for electrical engineers Buku IV".
11
New York:
McGraw Hill,
1978.
Text.