Gaya APA
Radio Operating Questions And Answers. (1940).
New York:
McGraw-Hill Book Company.
Gaya Chicago
Radio Operating Questions And Answers.
.
New York:
McGraw-Hill Book Company,
1940.
Text.
Gaya MLA
Radio Operating Questions And Answers.
.
New York:
McGraw-Hill Book Company,
1940.
Text.
Gaya Turabian
Radio Operating Questions And Answers.
New York:
McGraw-Hill Book Company,
1940.
Print.