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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.