Gaya APA

Untung, M., Hanna, W. (1975). Geophysical investigations of coastal magnetite sands at Meleman, Lumajang, East Java . Bandung: Direktorat Geologi.

Gaya MLA

Untung, M.., Hanna, W.F.. "Geophysical investigations of coastal magnetite sands at Meleman, Lumajang, East Java". Bandung: Direktorat Geologi, 1975. Text.