Gaya APA

Sianipar, P., Indonesia.Bakosurtanal, . (1992). Benchmark description first order levelling network of Java Vol. III A . Cibinong: Bakosurtanal.

Gaya MLA

Sianipar, Pandapotan., Indonesia.Bakosurtanal, . "Benchmark description first order levelling network of Java Vol. III A". Cibinong: Bakosurtanal, 1992. Text.