APA
Heffor D.E, Kieth D & King G.A. (1981). Basic Principles and Practical Micro Processors. New Delhi: Oxford & I.B.H., NewDelhi.
Chicago
Heffor D.E, Kieth D and King G.A. 1981. Basic Principles and Practical Micro Processors. New Delhi: Oxford & I.B.H., NewDelhi.
Harvard
Heffor D.E, Kieth D and King G.A. (1981). Basic Principles and Practical Micro Processors. New Delhi: Oxford & I.B.H., NewDelhi.
MLA
Heffor D.E, Kieth D and King G.A. Basic Principles and Practical Micro Processors. New Delhi: Oxford & I.B.H., NewDelhi. 1981.