Keeney, B. (2000). Titik energi. Prestasi Pustaka.
Chicago Style (17th ed.) CitationKeeney, Bradford. Titik Energi. Prestasi Pustaka, 2000.
MLA (8th ed.) CitationKeeney, Bradford. Titik Energi. Prestasi Pustaka, 2000.
Warning: These citations may not always be 100% accurate.