Gaya APA
Principles of Electricity Applied to Telephone and Telegraph Work - 1938 Edition. (1938).
USA:
American Telephone & Telegraph Co..
Gaya Chicago
Principles of Electricity Applied to Telephone and Telegraph Work - 1938 Edition.
.
USA:
American Telephone & Telegraph Co.,
1938.
Text.
Gaya MLA
Principles of Electricity Applied to Telephone and Telegraph Work - 1938 Edition.
.
USA:
American Telephone & Telegraph Co.,
1938.
Text.
Gaya Turabian
Principles of Electricity Applied to Telephone and Telegraph Work - 1938 Edition.
USA:
American Telephone & Telegraph Co.,
1938.
Print.