Hardjowigen, D. I. S. (1987). Ilmu Tanah. PT. Mediayatama Sarana.
Chicago Style (17th ed.) CitationHardjowigen, Dr. Ir. Sarwono. Ilmu Tanah. PT. Mediayatama Sarana, 1987.
MLA (8th ed.) CitationHardjowigen, Dr. Ir. Sarwono. Ilmu Tanah. PT. Mediayatama Sarana, 1987.
Warning: These citations may not always be 100% accurate.