(1976). Tenaga Letrik dan bagaimana ianya dibuat. Heinemann Educational Books.
Chicago Style (17th ed.) CitationTenaga Letrik Dan Bagaimana Ianya Dibuat. Kuala Lumpur: Heinemann Educational Books, 1976.
MLA (9th ed.) CitationTenaga Letrik Dan Bagaimana Ianya Dibuat. Heinemann Educational Books, 1976.
Warning: These citations may not always be 100% accurate.