Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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