Gaya APA

T.Madiadipoera, . (1981). PROPOSED COOPERATIVE STUDY FOR FELDSPAR BENEFICIATION FROM LIPARTIC FROM LIPARTIC TUFFS OF NORTH SUMATRA, . Sumatra: T.Madiadipoera.

Gaya MLA

T.Madiadipoera, . "PROPOSED COOPERATIVE STUDY FOR FELDSPAR BENEFICIATION FROM LIPARTIC FROM LIPARTIC TUFFS OF NORTH SUMATRA,". Sumatra: T.Madiadipoera, 1981. Encyclopaedia.