Gaya APA

Roper, Peter. (1986). A PRACTICAL guide to groundworks and foundations / ed. Peter Roper . London: International Thompson.

Gaya Chicago

Roper, Peter. A PRACTICAL guide to groundworks and foundations / ed. Peter Roper. London: International Thompson, 1986. Text.

Gaya MLA

Roper, Peter. A PRACTICAL guide to groundworks and foundations / ed. Peter Roper. London: International Thompson, 1986. Text.

Gaya Turabian

Roper, Peter. A PRACTICAL guide to groundworks and foundations / ed. Peter Roper. London: International Thompson, 1986. Print.