Gaya APA

Martopo, S., Galderen, M, V. (1991). The geodetic boundary value problem in two dimensions and its interative solution . Delft: Netherlands Geodetic Commision.

Gaya MLA

Martopo, Sugeng., Galderen, Martin, Van. "The geodetic boundary value problem in two dimensions and its interative solution". Delft: Netherlands Geodetic Commision, 1991. Cetak.