<SARIEF, E. S. Ilmu tanah pertanian. Pustaka Buana.
Chicago Style (17th ed.) Citation<SARIEF, E. Saifuddin>. Ilmu Tanah Pertanian. Pustaka Buana.
MLA (8th ed.) Citation<SARIEF, E. Saifuddin>. Ilmu Tanah Pertanian. Pustaka Buana.
Warning: These citations may not always be 100% accurate.