Gaya APA

Kopystynski, L., Indonesia.Bakosurtanal, . (1983). Terms of reference pengukuran laplace di Sulawesi (Dok.No.20/1983) . Cibinong: Bakosurtanal.

Gaya MLA

Kopystynski, Leliwa., Indonesia.Bakosurtanal, . "Terms of reference pengukuran laplace di Sulawesi (Dok.No.20/1983)". Cibinong: Bakosurtanal, 1983. Text.