Gaya APA

Dugan, Jr., John P.. (1972). An Instrumented Tied-Back Deep Excavation . : ASCE.

Gaya Chicago

Dugan, Jr., John P.. An Instrumented Tied-Back Deep Excavation. : ASCE, 1972. Computer Software.

Gaya MLA

Dugan, Jr., John P.. An Instrumented Tied-Back Deep Excavation. : ASCE, 1972. Computer Software.

Gaya Turabian

Dugan, Jr., John P.. An Instrumented Tied-Back Deep Excavation. : ASCE, 1972. Computer Software.