, S.. (2005). LANDFORM CONTROLS IN SOIL CONFIGURATION AT KARANGMOJO â?? PONJONG, GUNUNGKIDUL, YOGYAKARTA. [Yogyakarta] : HAGI-IAGI-PERHAPI.
Chicago Style Citation, Srijono. LANDFORM CONTROLS IN SOIL CONFIGURATION AT KARANGMOJO â?? PONJONG, GUNUNGKIDUL, YOGYAKARTA. [Yogyakarta] : HAGI-IAGI-PERHAPI, 2005.
MLA引文, Srijono. LANDFORM CONTROLS IN SOIL CONFIGURATION AT KARANGMOJO â?? PONJONG, GUNUNGKIDUL, YOGYAKARTA. [Yogyakarta] : HAGI-IAGI-PERHAPI, 2005.
警告：這些引文格式不一定是100％准確.