Bakker, K. (2000). Soil retaining structures development of models for structural analysis Klaas Jan Bakker. A.A. Balkema.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBakker, Klaas. Soil Retaining Structures Development of Models for Structural Analysis Klaas Jan Bakker. A.A. Balkema, 2000.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBakker, Klaas. Soil Retaining Structures Development of Models for Structural Analysis Klaas Jan Bakker. A.A. Balkema, 2000.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.