Gaya APA

Yoesoef, A, F. (1983). Laporan Perjalanan Dinas Mengikuti Symposium and Short Course on Soil & Rock Improvement Techniques Including Geotextiles, Reinforced Earth and Modern Piling Method di Bangkok, Thailand . : Direktorat Jendral Pertambangan Umum.

Gaya MLA

Yoesoef, A., Fatah. "Laporan Perjalanan Dinas Mengikuti Symposium and Short Course on Soil & Rock Improvement Techniques Including Geotextiles, Reinforced Earth and Modern Piling Method di Bangkok, Thailand". : Direktorat Jendral Pertambangan Umum, 1983. Text.