APA (7 वां संस्करण) प्रशस्ति पत्र

GRIGORIAN, A. (1997). Pile foundations for buildings and structures incollapsible soils. A.A. Balkema.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

GRIGORIAN, A.A. Pile Foundations for Buildings and Structures Incollapsible Soils. Rotterdam: A.A. Balkema, 1997.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

GRIGORIAN, A.A. Pile Foundations for Buildings and Structures Incollapsible Soils. A.A. Balkema, 1997.

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