Collins, A. F. The Radio Amateur's Hand Book A Complete, Authentic and Informative Work on Wireless Telegraphy and Telephony.
Chicago (17e ed.) BronvermeldingCollins, A. Frederick. The Radio Amateur's Hand Book A Complete, Authentic and Informative Work on Wireless Telegraphy and Telephony.
MLA (9e ed.) BronvermeldingCollins, A. Frederick. The Radio Amateur's Hand Book A Complete, Authentic and Informative Work on Wireless Telegraphy and Telephony.
Let op: Deze citaties zijn niet altijd 100% accuraat.