APA (7th ed.) Citation

Derfler, F. J. (1982). TRS-80 data communication systems. Prentice-Hall.

Chicago Style (17th ed.) Citation

Derfler, Frank J. TRS-80 Data Communication Systems. Englewood Cliffs, N.J.: Prentice-Hall, 1982.

MLA (9th ed.) Citation

Derfler, Frank J. TRS-80 Data Communication Systems. Prentice-Hall, 1982.