Heddy, S. (1989). Pengantar: Ekologi / Suwarsono Heddy. Rajawali Press.
Chicago Style (17th ed.) CitationHeddy, Suwarsono,Soemitro. Pengantar: Ekologi / Suwarsono Heddy. Rajawali Press, 1989.
MLA (8th ed.) CitationHeddy, Suwarsono,Soemitro. Pengantar: Ekologi / Suwarsono Heddy. Rajawali Press, 1989.
Warning: These citations may not always be 100% accurate.