Cita APA (7a ed.)

BLYTH,FREITAS. (1987). A GEOLOGY FOR ENGINEERS. E L B S.

Cita Chicago Style (17a ed.)

BLYTH,FREITAS. A GEOLOGY FOR ENGINEERS. LONDON: E L B S, 1987.

Cita MLA (9a ed.)

BLYTH,FREITAS. A GEOLOGY FOR ENGINEERS. E L B S, 1987.