APA Style
Carr, J, J. (1978).
Elements of electronic communications / Joseph J. Carr (1).
Reston, Va.:
Reston Pub. Co..
MLA Style
Carr, Joseph, J..
"Elements of electronic communications / Joseph J. Carr".
1
Reston, Va.:
Reston Pub. Co.,
1978.
Textbook ห้องสมุดทั่วไป.