APA-čujuhus (7. p.)

Biswas, N. N. (1964). Principles of telegraphy. Media promoters & Publishers.

Chicago-čujuhus (17. p.)

Biswas, Nripendra N. Principles of Telegraphy. New Delhi: Media promoters & Publishers, 1964.

MLA-čujuhus (9. p.)

Biswas, Nripendra N. Principles of Telegraphy. Media promoters & Publishers, 1964.

Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.