Gaya APA

Ryley, MD. (1985). Trench construction: trial to study ground movement in Boulder Clay . : TRRL.

Gaya Chicago

Ryley, MD. Trench construction: trial to study ground movement in Boulder Clay. : TRRL, 1985. Chart.

Gaya MLA

Ryley, MD. Trench construction: trial to study ground movement in Boulder Clay. : TRRL, 1985. Chart.

Gaya Turabian

Ryley, MD. Trench construction: trial to study ground movement in Boulder Clay. : TRRL, 1985. Chart.