Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.