Cita APA (7th ed.)

Mitchell , R. J. (1983). Earth structures engineering. Allen and Unwin.

Cita Chicago (17th ed.)

Mitchell , R. J. Earth Structures Engineering. Boston , Mass: Allen and Unwin, 1983.

Cita MLA (9th ed.)

Mitchell , R. J. Earth Structures Engineering. Allen and Unwin, 1983.