BAKKER, K. J. (2000). Soil retaining structures: Development of models forstructural analysis. A.A. Balkema.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBAKKER, Klaas Jan. Soil Retaining Structures: Development of Models Forstructural Analysis. Rotterdam: A.A. Balkema, 2000.
एमएलए (9वां संस्करण) प्रशस्ति पत्रBAKKER, Klaas Jan. Soil Retaining Structures: Development of Models Forstructural Analysis. A.A. Balkema, 2000.
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