Gaya APA
SPANGENBERG, Karl R.. (1948).
Vacuum Tubes .
New York:
McGRAW-HILL BOOK COMPANY.
Gaya Chicago
SPANGENBERG, Karl R..
Vacuum Tubes.
New York:
McGRAW-HILL BOOK COMPANY,
1948.
Teks.
Gaya MLA
SPANGENBERG, Karl R..
Vacuum Tubes.
New York:
McGRAW-HILL BOOK COMPANY,
1948.
Teks.
Gaya Turabian
SPANGENBERG, Karl R..
Vacuum Tubes.
New York:
McGRAW-HILL BOOK COMPANY,
1948.
Teks.