Harris, Robert A.
Using sources effectively : strengthening your writing and avoiding plagiarism
Pyrczak Pub, 2011
 Buku Teks
Markus, John, 1911-
Electronic circuits manual
McGraw-Hill, 1971
 Buku Referensi
De Vries, Mary Ann
The Elements of correspondence
Macmillan, 1994
 Buku Teks
Levinson, Nan
How to sharpen your business writing skills
[American Management Association;, ], 2000
 eBooks
Tooley, Michael H.
The Maplin electronic circuits handbook
Newnes, 1995
 Buku Referensi