Gaya APA

Madiadipoera, T. (1980). Felspar Sand Occurrences In The Coastal Area Of Medan, North Sumatera Indonesia . Bandung: Directorate Of Mineral Resources.

Gaya MLA

Madiadipoera, T.. "Felspar Sand Occurrences In The Coastal Area Of Medan, North Sumatera Indonesia". Bandung: Directorate Of Mineral Resources, 1980. Bukan Logam.