<PECK, R. B. d. Teknik fondasi. Gadjah Mada Press.
Chicago Style Citation<PECK, Ralph B. dkk.>. Teknik Fondasi. Gadjah Mada Press.
MLA Citation<PECK, Ralph B. dkk.>. Teknik Fondasi. Gadjah Mada Press.
Warning: These citations may not always be 100% accurate.