Gaya APA

Indonesia.Bakosurtanal, ., Ontowiryo, P, S. (1979). Re-appraisal of the National resources survey and mapping project: progres report no. 5 for period ending August 31, 1979 (Dok.No.19/1979) . Cibinong: Bakosurtanal.

Gaya MLA

Indonesia.Bakosurtanal, ., Ontowiryo, Puntodewo, S.S.. "Re-appraisal of the National resources survey and mapping project: progres report no. 5 for period ending August 31, 1979 (Dok.No.19/1979)". Cibinong: Bakosurtanal, 1979. Text.