-. (1980). Bulletin LEN. Pusat Laboratorium Enjiniring Nasional LIPI.
Chicago Style (17th ed.) Citation-. Bulletin LEN. Pusat Laboratorium Enjiniring Nasional LIPI, 1980.
MLA (8th ed.) Citation-. Bulletin LEN. Pusat Laboratorium Enjiniring Nasional LIPI, 1980.
Warning: These citations may not always be 100% accurate.