Gaya APA

Indonesia.Bakosurtanal, ., Gutsell, B. (1990). The Creation of a digital database for topographic and terrain relief information at Bakosurtanal Indonesia . Cibinong: Bakosurtanal.

Gaya MLA

Indonesia.Bakosurtanal, ., Gutsell, BV. "The Creation of a digital database for topographic and terrain relief information at Bakosurtanal Indonesia". Cibinong: Bakosurtanal, 1990. Cetak.