Graf, H. (1975). Vaidyuta engineering atistana tatvangal. Institute of languages.
Chicago Edition CitationGraf, Heinz. Vaidyuta Engineering Atistana Tatvangal. Trivandrum: Institute of languages, 1975.
ציטוט MLAGraf, Heinz. Vaidyuta Engineering Atistana Tatvangal. Institute of languages, 1975.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.