HS>, <. (1990). Bertanam Kedelai. Penebar Swadaya.
Chicago Style CitationHS>, <Suprapto. Bertanam Kedelai. Penebar Swadaya, 1990.
MLA CitationHS>, <Suprapto. Bertanam Kedelai. Penebar Swadaya, 1990.
Warning: These citations may not always be 100% accurate.