APA ציטוט

Helfrick. (1980). MODERN ELECTRONIC CIRCUTES REF MANUAL. PHI.

Chicago Style (17th ed.) Citation

Helfrick. MODERN ELECTRONIC CIRCUTES REF MANUAL. NEW Delhi: PHI, 1980.

ציטוט MLA

Helfrick. MODERN ELECTRONIC CIRCUTES REF MANUAL. PHI, 1980.