Παραπομπή σε μορφή APA (7η εκδ.)

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

Παραπομπή σε μορφή Chicago (17η εκδ.)

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

Παραπομπή σε μορφή MLA (8th εκδ.)

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