TGT, D. (1985). Peta Kemiringan Tanah DIY. TGT BPN.
Chicago Style (17th ed.) CitationTGT, Dir. Peta Kemiringan Tanah DIY. TGT BPN, 1985.
MLA (8th ed.) CitationTGT, Dir. Peta Kemiringan Tanah DIY. TGT BPN, 1985.
Warning: These citations may not always be 100% accurate.