Gaya APA

Hartono, . (1960). Hantkenina in the Nanggulan Area ; Collection of Smaller Foraminifera at the Paleontology Section of the Geological Survey of Indonesia . Bandung: Departemen Perindustrian Dasar/ Pertambangan Djawatan Geologi.

Gaya MLA

Hartono, . "Hantkenina in the Nanggulan Area ; Collection of Smaller Foraminifera at the Paleontology Section of the Geological Survey of Indonesia". Bandung: Departemen Perindustrian Dasar/ Pertambangan Djawatan Geologi, 1960. Text.