Bethune, J. D. (1980). Basic electronic and electrical drafting. Prentice-Hall of India.
Chicago Edition CitationBethune, James D. Basic Electronic and Electrical Drafting. New Jersey: Prentice-Hall of India, 1980.
ציטוט MLABethune, James D. Basic Electronic and Electrical Drafting. Prentice-Hall of India, 1980.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.