Gaya APA

Spencer, W. J.. (1978). The Implications of Mining Subsidence for Modern Highway Structures . : s.n..

Gaya Chicago

Spencer, W. J.. The Implications of Mining Subsidence for Modern Highway Structures. : s.n., 1978. Computer Software.

Gaya MLA

Spencer, W. J.. The Implications of Mining Subsidence for Modern Highway Structures. : s.n., 1978. Computer Software.

Gaya Turabian

Spencer, W. J.. The Implications of Mining Subsidence for Modern Highway Structures. : s.n., 1978. Computer Software.