Gaya APA

Madiadipoera, T. (1980). FELDSPAR SAND OCCURRENCES IN THE COASTAL AREA OF MEDAN, NORTH SUMATRA INDONESIA . Bandung: Directorate Of Mineral Resources.

Gaya MLA

Madiadipoera, T.. "FELDSPAR SAND OCCURRENCES IN THE COASTAL AREA OF MEDAN, NORTH SUMATRA INDONESIA". Bandung: Directorate Of Mineral Resources, 1980. Bukan Logam.