APA aipamena

Luthan, J. (1972). Value added of the mining and quarrying industries in South Sumatra, 1970. Lembaga Ekonomi dan Kemasjarakatan Nasional.

Chicago Style aipamena

Luthan, Julian. Value Added of the Mining and Quarrying Industries in South Sumatra, 1970. [Djakarta: Lembaga Ekonomi dan Kemasjarakatan Nasional, 1972.

MLA aipamena

Luthan, Julian. Value Added of the Mining and Quarrying Industries in South Sumatra, 1970. Lembaga Ekonomi dan Kemasjarakatan Nasional, 1972.